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Muscles of the Back Region Listed Alphabetical ly
Muscle erector spinae Origin iliac crest, sacrum, transverse and spinous processes of
vertebrae and supraspinal ligament iliac crest and sacrum Insertion angles of the ribs,
transverse and spinous processes of vertebrae, posterior aspect of the skull angles of the
ribs Action extends and laterally bends the trunk, neck and head Innervation segmentally
innervated by dorsal primary rami of spinal nerves CS Artery supplied segmentally by deep
cervical a., posterior intercostal aa., subcostal aa., lumbar aa. Notes the erector spinae m. is
separated into columns of muscle iliocostalis laterally, longissimus in an intermediate position
and spinalis medially each of these columns has multiple named parts the most lateral part of
the erector spinae it may be subdivided into lumborum, thoracis and cervicis portions
iliocostalis
extends and dorsal primary laterally rami of spinal bends the nerves CS trunk and neck
supplied segmentally by deep cervical a., posterior intercostal aa., subcostal aa., lumbar aa.
interspinales
upper border of lower border spinous process of spinous
extend trunk dorsal primary supplied these are small and fairly and neck rami of spinal
segmentally by insignificant muscles
process above
nerves CL
deep cervical a., posterior intercostal aa., subcostal aa., lumbar aa.
intertransversarii
upper border of lower border laterally transverse of transverse bend trunk process process
above and neck
dorsal primary supplied these are small and fairly rami of spinal segmentally by insignificant
muscles nerves CL deep cervical a., posterior intercostal aa., subcostal aa., lumbar aa.
supplied segmentally by deep cervical a., posterior intercostal aa., subcostal aa., lumbar aa.
the intermediate part of the erector spinaeit may be subdivided into thoracis, cervicis and
capitis portions
longissimus
transverse process at inferior vertebral levels
transverse process at superior vertebral levels and mastoid process spinous processes
vertebral levels superior to their origin
extends and dorsal primary laterally rami of spinal bends the nerves CS trunk, neck and
head
multifidus
sacrum, transverse processes of CL
extend and laterally bend trunk and neck, rotate to opposite side rotates the head to the
same side
dorsal primary supplied rami of spinal segmentally by nerves CL deep cervical a., posterior
intercostal aa., subcostal aa., lumbar aa. suboccipital occipital a. nerve DPR of C
semispinalis, multifidus and rotatores make up the transversospinal muscle group
obliquus capitis inferior
spinous process transverse of the axis process of atlas
greater occipital nerve DPR of C passes superiorly around the
inferior margin of inferior oblique obliquus capitis superior transverse occipital bone extends
the suboccipital occipital a. process of atlas above inferior head, rotates nerve DPR of nuchal
line the head to C the same side spinous process inferior nuchal extends the suboccipital
occipital a. of axis line head, rotate nerve DPR of to same side C posterior inferior nuchal
extends the tubercle of atlas line medially head suboccipital occipital a. nerve DPR of C the
suboccipital triangle is formed by obliquus capitis superior and inferior and rectus capitis
posterior major none
rectus capitis posterior major rectus capitis posterior minor
rectus capitis posterior minor is deeper and inserts more medial than rectus capitis posterior
major semispinalis, multifidus and rotatores make up the transversospinal muscle group
rotatores
transverse processes
long rotatores spines vertebrae above origin short rotatores spines vertebrae above origin
capitis back of skull between nuchal lines cervicis amp
rotates the dorsal primary vertebral rami of spinal column to nerves CL the opposite side
supplied segmentally by deep cervical a., posterior intercostal aa., subcostal aa., lumbar aa.
semispinalis
transverse processes of CT
extends the trunk and laterally bends the trunk,
dorsal primary supplied rami of spinal segmentally by nerves CT deep cervical a., posterior
intercostal aa.,
three parts are named based on their insertions capitis, cervicis and thoracis semispinalis,
multifidus and rotatores
flat shape posterior intercostal aa. lumbar aa.. rotates head to same side supplied splenius
means bandage. broad. cervicis posterior tubercles of CC vertebrae mastoid process and
lateral end of the superior nuchal line rotates the trunk to the opposite side extends and
dorsal primary laterally rami of spinal bends trunk nerves CL and neck subcostal aa.
subcostal aa. cervicis and capitis portions supplied segmentally by deep cervical a.. may be
subdivided into thoracis. posterior intercostal aa. splenius ligamentum nuchae and spines CT
extends and dorsal primary laterally rami of spinal bends neck nerves CC and head. rotates
head to the same side supplied segmentally by deep cervical a... segmentally by it gets its
name from its deep cervical a.. lumbar aa. posterior intercostal aa.thoracis spines vertebrae
above origin spinalis spinous processes at inferior vertebral levels spinous processes at
superior vertebral levels and base of the skull capitis mastoid process amp superior nuchal
line laterally. named for its shape splenius means bandage and capitis refers to the insertion
of this portion of the muscle . make up the transversospinal muscle group most medial part of
the erector spinae. splenius capitis ligamentum nuchae and spines of CT vertebrae extends
and dorsal primary laterally rami of spinal bends the nerves CC neck and head..
flexor radial a. posterior intercostal aa. ulnar nerve abductor pollicis flexor brevis
retinaculum. trapezium base of the abducts thumb proximal phalanx of the first digit recurrent
branch of median nerve superficial abductor pollicis palmar br.splenius cervicis ligamentum
nuchae and spines of CT vertebrae posterior tubercles of the transverse processes of CC
vertebrae extends and dorsal primary laterally rami of spinal bends neck nerves CC and
head. of the brevis. pollicis brevis. scaphoid.Listed Alphabetically Muscle abductor digiti
minimi hand Origin pisiform Insertion Action Innervation Artery Notes abductor digiti minimi.
named for its shape splenius means bandage and cervicis refers to the insertion of this
portion of the muscle Muscles of the Upper Limb . flexor digiti minimi brevis. deep posterior .
rotates head to the same side supplied segmentally by deep cervical a. and opponens digiti
minimi are located in the hypothenar compartment of the hand base of the abducts the th
digit proximal phalanx of the th digit on its ulnar side deep branch of the ulnar a. and
opponens pollicis are located in the thenar compartment of the hand the tendons of abductor
pollicis middle one radial side of abducts the thumb at radial nerve..
midportion of posterolateral ulna base of the adducts the thumb proximal phalanx of the
thumb ulnar nerve.longus third of the the base of the carpometacarpal joint branch posterior
first surface of the metacarpal radius. transverse head shaft of the rd metacarpal anconeus
lateral epicondyle of the humerus deep palmar arterial arch deep palmar arch and deep ulnar
nerve pass between the two heads of adductor pollicis. interosseous from the radial recurrent
a. which is in the adductorinterosseous compartment none lateral side of the olecranon and
the upper onefourth of the ulna extends the forearm nerve to anconeus. supinates
musculocutaneous brachial a. a powerful supinator only if the elbow is flexed . flexes arm
long head. nerve C. long head supraglenoid flexes the forearm. nerve biceps brachii short
head tip tuberosity of of the coracoid the radius process of the scapula. deep branch
interosseous a. interosseous membrane. abductor pollicis longus and extensor pollicis brevis
make the lateral border of the anatomical snuffbox adductor pollicis oblique head capitate
and base of the nd and rd metacarpals.
although brachioradialis is innervated by the nerve for extensors radial. radial recurrent a. a
powerful flexor brachioradialis lateral side of flexes the elbow..tubercle of the scapula
brachialis anterior surface coronoid of the lower process of the onehalf of the ulna humerus
and the associated intermuscular septa upper twothirds of the lateral supracondylar ridge of
the humerus flexes the forearm musculocutaneous brachial a. radial nerve the base of the
assists in pronation amp styloid process supination of the radius radial recurrent a. midshaft .
the humerus at arm nerve C. thumb up the musculocutaneous nerve passes through the
coracobrachialis muscle to reach the other arm flexor coracobrachialis coracoid process of
the scapula medial side of flexes and adducts the musculocutaneous brachial a. its primary
action is elbow flexion. the neutral position of this muscle is half way between supination and
pronation elbow flexed. nerve C.
the brachial plexus the deltoid muscle is the principle abductor of the arm but due to poor
mechanical advantage it cannot initiate this action. extensor carpi radialis brevis lateral
supracondylar ridge of the humerus common extends the wrist. ADduct . bipennate muscles.
each arising from two adjacent metacarpal shafts base of the proximal phalanx and the
extensor expansion on lateral side of the nd digit. abduct digits abduction of digits in the hand
is defined as movement away from the midline of the rd digit dorsal and palmar metacarpal
aa.biceps brachii and brachialis deltoid lateral onedeltoid third of the tuberosity of clavicle.
posterior fibers extend amp laterally rotate the arm axillary nerve posterior C.mm. the lower
lip of the crest of the spine of the scapula four muscles. and medial side of the th digit
dorsum of the third metacarpal bone base abducts arm. extend the proximal and distal
interphalangeal joints of digits . .then you can figure out where they must insert to cause
these actions works with the extensor carpi radialis longus and flexor carpi radialis in dorsal
interosseous hand flex the ulnar nerve. remember DAB amp PAD . the humerus acromion. it
is assisted by the supraspinatus m. abducts the hand radial nerve radial a. deep
metacarpophalangeal branch joint. lateral amp medial sides of the rd digit. anterior fibers flex
amp medially rotate the arm.Dorsal interosseous mm. from the circumflex posterior cord of
humeral a. ABduct and Palmar interosseous mm.
abducts the hand deep radial nerve radial a. extensor digiti minimi joins the extensor
digitorum tendon to the th digit and inserts into the extensor expansion extensor expansion of
digits extends the deep radial nerve metacarpophalangeal. extensor digiti minimi appears to
be the ulnarmost portion of extensor digitorum extensor digitorum common extensor tendon
lateral epicondyle of extends the deep radial nerve metacarpophalangeal.extensor tendon
extensor carpi radialis longus lower onethird of the lateral supracondylar ridge of the
humerus dorsum of the second metacarpal bone base extends the wrist. proximal
interphalangeal and interosseous recurrent a. the extensor expansion inserts via a central
band on the base of the . and posterior interosseous a. proximal interphalangeal and distal
interphalangeal joints of the th digit interosseous recurrent a. the base of the adducts the
hand th metacarpal deep radial nerve ulnar a. abduction of the hand works with the extensor
carpi radialis brevis and flexor carpi radialis in abduction of the hand works with the flexor
carpi ulnaris in adduction of the hand extensor carpi ulnaris common extensor tendon amp
the middle onehalf of the posterior border of the ulna common extensor tendon lateral
epicondyle of the humerus medial side of extends the wrist.
while lateral amp medial slips insert on the distal phalanx posterior interosseous a extensor
indicis is a deep forearm extensor. in which the radial arterial pulse can be felt the tendon of
extensor pollicis longus hooks around the dorsal extensor pollicis interosseous base of the
longus membrane and distal phalanx middle part of of the thumb the extends the thumb at
the interphalangeal joint deep radial nerve posterior interosseous a . extends wrist middle
phalanx. whereas extensor digiti minimi is in the superficial layer of extensors extensor
indicis interosseous membrane and the posterolateral surface of the distal ulna its tendon
joins the tendon of the extensor digitorum to the second digit. proximal interphalangeal and
distal interphalangeal joints extensor pollicis interosseous brevis membrane and the posterior
surface of the distal radius extends the thumb at the metacarpophalangeal joint deep radial
nerve posterior interosseous a the tendons of extensor pollicis brevis and abductor pollicis
longus make the lateral border of the anatomical snuffbox.the humerus distal interphalangeal
joints of the ndth digits. both tendons insert into the extensor expansion base of the proximal
phalanx of the thumb extends the index deep radial nerve finger at the metacarpophalangeal.
it forms the medial border of the anatomical snuffbox. works with the extensor carpi radialis
longus and brevis mm. and opponens digiti minimi are in the hypothenar . hook flexes wrist.
in which the radial arterial pulse can be felt base of the second and third metacarpals flexes
the wrist. adducts of hamate. flexor digiti minimi brevis hand hook of hamate proximal flexes
the amp the flexor phalanx of the carpometacarpal and retinaculum th digit
metacarpophalangeal joints of the th digit ulnar nerve. flexor digiti minimi brevis. deep branch
ulnar a.posterolateral surface of the ulna radial tubercle. to abduct hand the ulnar nerve
passes between the two heads of origin of the flexor carpi ulnaris m. and hand base of th
metacarpal ulnar nerve ulnar a. abductor digiti minimi. flexor carpi radialis common flexor
tendon from the medial epicondyle of the humerus common flexor tendon amp ulnar head
from medial border of olecranon amp upper / of the posterior border of the ulna flexor carpi
ulnaris pisiform. abducts the hand median nerve ulnar a.
radial head middle / of radius flexor pollicis brevis flexor retinaculum. proximal of digits
twothirds of medial border of ulna. proximal interphalangeal and distal interphalangeal joints
median nerve ulnar a. median nerve travels distally in the forearm on the deep surface of the
flexor digitorum superficialis m. the tendon of flexor pollicis longus passes through the carpal
flexor pollicis longus anterior surface base of the of radius and distal phalanx interosseous of
the thumb membrane flexes the metacarpophalangeal and interphalangeal joints of the
thumb median nerve . abductor radial a.compartment of the hand flexor digitorum posterior
base of the profundus border of the distal phalanx ulna. trapezium shafts of the middle
phalanges of digits flexes the metacarpophalangeal. of the brevis. proximal flexes the
phalanx of the carpometacarpal and st digit metacarpophalangeal joints of the thumb
recurrent branch of the median nerve superficial flexor pollicis palmar br. ulnar nerve ulnar
onehalf ulnar nerve innervates the portion of profundus that acts on digits amp the ulnar
digits flexes the metacarpophalangeal and proximal interphalangeal joints median nerve
ulnar a. pollicis brevis. anterior radial onehalf. interosseous a.. and opponens pollicis are the
three muscles of the thenar compartment of the hand anterior interosseous a. interosseous
membrane flexor digitorum humeroulnar superficialis head common flexor tendon.
bipennate muscles. remember PAD amp DAB Palmar interossei ADduct and Dorsal
interosseous. . . palmar four muscles. amp palmar metacarpal aa. flexes the ulnar nerve.
remember DAB amp PAD .Dorsal interosseous mm. supraspinatus. abduct digits abduction
of digits in the hand is defined as movement away from the midline of the rd digit
interosseous. deep metacarpophalangeal. extend the proximal and distal interphalangeal
joints of digits . dorsal hand four muscles.tunnel with the other long digital flexor tendons and
the median nerve infraspinatus infraspinatous fossa greater laterally rotates the tubercle of
the arm humerus middle facet suprascapular nerve suprascapular a. branch extends
proximal and distal interphalangeal joints and adducts digits . teres minor and subscapularis
are the rotator cuff muscles dorsal and palmar metacarpal aa. and medial side of the th digit
base of the proximal phalanx and extensor expansion of the medial side flex the ulnar nerve.
lateral amp medial sides of the rd digit.then you can figure out where they must insert to
cause these actions unipennate muscles. each arising from two adjacent metacarpal shafts
base of the proximal phalanx and the extensor expansion on lateral side of the nd digit.
arising from the palmar surface of the shafts of metacarpals . ABduct and Palmar
interosseous mm. infraspinatus. . ADduct . deep metacarpophalangeal branch joint.
sometimes from the inferior angle of the scapula medial border of the scapula from the
superior angle to the spine extensor expansion on the radial side of the proximal phalanx of
elevates the scapula thoracodorsal thoracodorsal a. nerve C. latissimus dorsi adduction of
the digits of the hand is in reference to the midline of the rd digit interossei ABduct. amp the
of digits amp . lumbricus is latin for quotwormquot arise from the profundus tendons and
have . levator scapulae is named for its action lumbrical hand flexor digitorum profundus
tendons of digits flex the metacarpophalangeal joints. from the posterior cord of the brachial
plexus the inserting tendon twists so that fibers originating highest insert lowest levator
scapulae transverse processes of CC vertebrae dorsal scapular nerve C. groove medially
posterior third of the iliac crest. the upper part of the muscle receives branches of C amp C
dorsal scapular a. st palmar and lateral side interosseous is of digits amp often fused with the
adductor pollicis m. and you will be able to figure out where they must insert vertebral floor of
the extends the arm and spines from T intertubercular rotates the arm to the sacrum. lower
or ribs. . extend the proximal and distal interphalangeal joints median nerve superficial radial
via palmar arterial palmar digital arch nerves amp ulnar nerve ulnar via lumbricals..
. trapezium shaft of st metacarpal opposes the thumb recurrent branch of median nerve
superficial palmar branch of the radial a.digits of digits deep branch the same pattern of
innervation as does the profundus muscle ulnar and median nn. and flexor pollicis brevis are
opponens digiti minimi hook of hamate shaft of th and flexor metacarpal retinaculum opposes
the th digit ulnar nerve. opponens pollicis. split the task equally ulnar a. abductor digiti
minimi. opposition is a rotational movement of the th metacarpal around the long axis of its
shaft. deep branch opponens pollicis flexor retinaculum. opponens digiti minimi. and flexor
digiti minimi brevis are in the hypothenar compartment of the hand opposition is a rotational
movement of the st metacarpal around the long axis of its shaft. abductor pollicis brevis.
. amp the st palmar interosseous is often fused with the adductor pollicis m. medially rotates
pectoral nerves tubercle of the the arm CT humerus pectoral branch of the thoracoacromial
trunk .in the thenar compartment of the hand palmar interosseous four muscles. branch
extends proximal and distal interphalangeal joints and adducts digits . . unipennate muscles.
palmaris brevis improves the grasp palmaris longus common flexor palmar tendon. and you
will be able to figure out where they must insert palmaris brevis skin of the palm near the
ulnar border of the hand draws the skin of the superficial br. toward the center of the palm
flexes the wrist median nerve ulnar a. arising from the palmar surface of the shafts of
metacarpals . fascia overlying the hypothenar eminence base of the proximal phalanx and
extensor expansion of the medial side of digits amp . . manubrium amp body of ulnar a. from
aponeurosis the medial epicondyle of the humerus pectoralis major medial / of the clavicle. it
may be present on one side only the deep fascia on its anterior surface should not be fused
to the fascia crest of the flexes and adducts the medial and lateral greater arm. remember
PAD amp DAB Palmar interossei ADduct and Dorsal interossei ABduct. deep
metacarpophalangeal. and lateral side of digits amp flexes the ulnar nerve. amp adduction of
the digits of the hand is in reference to the midline of the rd digit palmar metacarpal aa. .
palmaris longus is absent in about of forearms. of ulnar side of the hand the ulnar n.
medialward.if it is. two heads of origin of pronator teres . costal cartilages of ribs . T pectoral
branch of the thoracoacromial trunk of the mammary gland .. anterior median nerve ulnar
recurrent passes between the a. interosseous nerve pronator teres midpoint of the pronates
the forearm lateral side of the shaft of the radius median nerve ulnar a.sternum. it works with
pronator teres and has the same nerve supply pronator quadratus medial side of the anterior
surface of the distal onefourth of the ulna common flexor tendon and deep or ulnar head from
medial side of coronoid process of the ulna anterior surface of the distal onefourth of the
radius pronates the forearm median nerve via anterior the anterior interosseous a. and
downward medial pectoral nerve C. this is an important clinical sign indicating breast disease
branches of medial pectoral nerve usually pierce pectoralis minor to reach the pectoralis
major muscle pronator quadratus is the deepest muscle in the distal forearm. sometimes
from the rectus sheath of the upper abdominal wall pectoralis minor ribs coracoid process of
the scapula draws the scapula forward.
subcostal a.rhomboideus major spines of vertebrae TT medial border of the scapula inferior
to the spine of the scapula retracts. . first two lumbar aa. not the deep back mm. the inferior
fibers rotate the scapula superiorly dorsal scapular nerve C dorsal scapular a named for its
shape serratus anterior ribs or long thoracic nerve from ventral rami CC lateral thoracic a. a
lesion of long thoracic nerve will cause winging of the scapula i.. it receives ventral ramus
innervation.. embryonically related to the intercostal muscles. spines lateral to the of
vertebrae angles TT and LL pulls down lower ribs branches of the ventral primary rami of
spinal nerves TT lowest posterior intercostal a. elevates and of the scapula rotates the
scapula at the root of inferiorly the spine of the scapula medial border of the scapula on its
costal deep surface it draws the scapula forward. elevates and rotates the scapula inferiorly
dorsal scapular nerve C dorsal scapular a. the medial border of the scapula falls away from
the posterior chest wall and looks like an angels wing a respiratory muscle. named for its
shape rhomboideus minor inferior end of the ligamentum nuchae. fascia. spines of vertebrae
C and T medial border retracts.e.. serratus posterior inferior thoracolumbar ribs .
serratus posterior superior ligamentum ribs . supraspinatus. embryonically related to the
intercostal muscles. supinator crest amp fossa of the ulna. radial lesser tubercle medially
rotates the of the humerus arm. it receives ventral ramus innervation. not the deep back mm.
supinator lateral side of proximal onethird of the radius supinates the forearm deep radial
nerve recurrent interosseous a. lateral elevates the upper ribs nuchae.it cushions the
subclavian vessels from bone fragments in clavicular fractures subscapularis. spines to the
angles of vertebrae C and TT branches of the ventral primary rami of spinal nerves TT
posterior a respiratory intercostal aa. and teres minor are the rotator cuff muscles deep radial
nerve passes through the supinator to reach the posterior compartment of the forearm
subclavius first rib and its inferior surface draws the clavicle cartilage of the clavicle and
hence the shoulder down and forward nerve to subclavius C subscapularis medial twothirds
of the costal surface of the scapula subscapular fossa lateral epicondyle of the
humerus.muscle. assists extention of the arm upper and lower subscapular a. . . subscapular
nerves C. clavicular br. of the thoracoacromial trunk it serves an important protective function
. infraspinatus.
nerve C. a member of the rotator cuff group named for its shape. posterior cord of the
brachial plexus teres minor upper / of the lateral border of the scapula greater laterally
rotates the tubercle of the arm humerus lowest facet trapezius medial third of lateral third of
elevates and depresses motor spinal the superior the clavicle. from the scapular a. and
assists latissimus in its actions fixes the head of the humerus in the glenoid fossa during
abduction amp flexion of the arm. a member of the rotator cuff group teres major inserts
beside the tendon of latissimus dorsi. from the superior trunk of the brachial plexus
supraspinatus initiates abduction of the arm. assists in arm extension lower subscapular
circumflex nerve C. lesser tubercle medially rotates the of the humerus arm. nuchal line.
medial side of depending on which proprioception transverse cervical a. from scapular a. the
scapula accessory XI. then the deltoid muscle completes the action. trapezius is an example
of a teres major dorsal surface of the inferior angle of the scapula crest of the adducts the
arm. . the posterior cord of the brachial plexus axillary nerve circumflex C.collateral ligament.
annular ligament supraspinatus supraspinatous greater abducts the arm fossa tubercle of the
initiates abduction humerus highest facet suprascapular suprascapular a.
rotates the scapula superiorly.Listed Alphabetically Muscle anterior scalene Origin Insertion
Action elevates the first Innervation Artery Notes anterior tubercles scalene tubercle brachial
plexus. teres minor and the humerus are the other boundaries. long head of the triceps
separates the triangular and quadrangular spaces teres major. lateral head posterolateral
humerus amp lateral intermuscular septum. radial nerve the long head extends and adducts
arm Muscles of the Head and Neck . spinous processes of vertebrae CT triceps brachii the
acromion and the upper crest of the scapular spine. medial head posteromedial surface of
the inferior / of the humerus extends the forearm. all three heads of origin insert by a
common tendon long head olecranon infraglenoid process of the tubercle of the ulna
scapula.external occipital protuberance. ascending cervical a muscle of . ligamentum
nuchae. pulling its nerve and artery along behind deep brachial profunda brachii a. tubercle
of the scapular spine part of the muscle contracts. retracts scapula CC muscle that migrates
during development from its level of origin cervical to its final position.
the superior from recurrent thyroid a. laryngeal nerve.. adducting the vocal folds inferior
laryngeal br. the arytenoideus is often considered to be one muscle with oblique and
transverse fibers aryepiglottic apex superior part of the arytenoid cartilage epiglottis draws
the epiglottis posteriorly and downward during swallowing draws arytenoid cartilages
together.of the transverse processes of vertebrae CC of the first rib rib. to form the
aryepiglottic fold the oblique arytenoid m.. lies posterior to the transverse arytenoid m. the
phrenic nerve crosses its anterior surface the mucosa is raised by the underlying
aryepiglottic m. of laryngeal nerve. an thyrocervical important trunk landmark of the neck. the
roots of the brachial plexus pass posterior to it. near its apex . the superior from recurrent
thyroid a. a branch of the of vagus X inferior laryngeal br. of laryngeal nerve. it is located
between the subclavian vein and the subclavian artery. a branch of the of vagus X arytenoid.
a branch of the inspiration. oblique muscular process posterior surface of the arytenoid of the
cartilage contralateral arytenoid cartilage. flexes and CC laterally bends the neck a. laryngeal
nerve.
superior galea aponeurotica superior to ear. wiggle the ears superiorly and posteriorly
anterior amp superior temporal branches of facial nerve VII. posterior posterior auricular
branch of facial nerve VII superficial temporal a.. mandible. the arytenoideus is often
considered to be one muscle with oblique and transverse parts the auricular muscles are
derived from the mesenchyme of the second pharyngeal arch. as are the muscles of facial
expression although the buccinator is important in mastication. of the facial presses the
cheek nerve VII against the teeth . and the maxilla lateral to the molar teeth angle of mouth
and the lateral portion of the upper and lower lips pulls the corner of buccal branches facial a.
posterior auricular a. mouth laterally.arytenoid. of laryngeal nerve..lies anterior to the oblique
arytenoid m. laryngeal nerve. the superior from recurrent thyroid a. it is innervated by the
buccal branch of the facial nerve and NOT by the buccal nerve from V a sensory auricular
anterior galea aponeurotica anterior to ear. a branch of the vagus nerve X the transverse
arytenoid m. posterior mastoid process auricle anteriorly. transverse posterior surface
posterior surface of the arytenoid of the cartilage contralateral arytenoid cartilage draws
arytenoid cartilages together. adducting the vocal folds inferior laryngeal br. buccinator
pterygomandibul ar raphe.
superior thyroid a. of the three pharyngeal constrictors. with aid surface of cricoid from the
cartilage superior laryngeal and recurrent laryngeal nerves constrictor. middle lesser and
greater midline constricts the vagus X. chondroglossus is often considered to be part of the
hyoglossus muscle relaxation of the suspensory ligament allows the lens to thicken for
accommodation near vision the most external of the three pharyngeal constructor mm.nerve
chondroglossus medial side of the lesser horn and body of the hyoid bone meridional fibers
scleral spur.. ciliary relaxes the suspensory ligament of the lens parasympathetic ophthalmic
a. via pharyngeal horns of the pharyngeal raphe pharyngeal cavity the pharyngeal hyoid
bone and plexus the inferior part of the stylohyoid ligament ascending pharyngeal a.
constrictor. inferior pharyngeal oblique line of midline constricts vagus X. inferior thyroid a.
via the thyroid pharyngeal raphe pharyngeal cavity the pharyngeal cartilage. fibers in the
oculomotor nerve III. this one is intermediate in both superior/inferior position and depth .
circular fibers encircle the ciliary process pulls the sides of the tongue down hypoglossal
nerve XII lingual a. circular fibers encircle the ciliary process ascends to blend with the
intrinsic tongue musculature meridional fibers ciliary process. synapsing in the ciliary
ganglion ascending pharyngeal a.. lateral plexus.
via tubercle and pharyngeal cavity the pharyngeal midline plexus pharyngeal raphe
ascending pharyngeal a. cricothyroid branch of the superior thyroid a.constrictor. this muscle
causes the furrowed brow of the worried look an antagonist of the posterior cricoarytenoid m.
corrugator medial part of the skin of the medial pulls eyebrows temporal branch
supratrochlear a. a branch of the vagus nerve X superior laryngeal a. cricothyroid branch of
the superior thyroid a. the arteries that supply the larynx anastomose within the larynx to
cricoarytenoid. mylohyoid line of mandible pharyngeal constricts the vagus X. the arteries
that supply the larynx anastomose within the larynx to supply the mucous membranes and
muscles the posterior cricoarytenoid is the only ABductor of the vocal folds. a branch of the
vagus nerve X superior laryngeal a. the most internal of the three pharyngeal constructor
mm. which pivots the arytenoid cartilage and adducts the vocal folds draws the muscular
process posteriorly. from the recurrent laryngeal nerve. which pivots the arytenoid cartilage
and abducts the vocal folds inferior laryngeal nerve. lateral cricoarytenoid. supercillary arch
half of the together medially of the facial eyebrow nerve VII arch of the cricoid cartilage
muscular process draws the of the arytenoid muscular process cartilage of the arytenoid
cartilage anteriorly. from the recurrent laryngeal nerve. .. pterygomandibul ar raphe.
pterygoid hamulus. posterior posterior surface muscular process of the lamina of of the
arytenoid the cricoid cartilage cartilage inferior laryngeal nerve. superior pharyngeal medial
pterygoid plate...
supply the mucous membranes and muscles cricopharyngeus lateral surface of midline
constricts the recurrent the cricoid pharyngeal raphe pharyngeal cavity laryngeal nerve,
cartilage and the entrance a branch of the to the esophagus vagus nerve X cricothyroid
branch of the superior thyroid a., ascending pharyngeal a. cricopharyngeus represents the
lowest fibers of the inferior pharyngeal constrictor it is continuous with the esophagus below
and marks the beginning of it this is the only intrinsic muscle of the larynx that is not supplied
by the recurrent laryngeal n. ALL other laryngeal muscles are innervated by recurrent
laryngeal nerve, via its inferior laryngeal branch
cricothyroid
arch of the cricoid cartilage
inferior border of draws the thyroid the thyroid cartilage forward, cartilage lengthening the
vocal ligaments
external branch cricothyroid of superior branch of the laryngeal nerve, superior thyroid a. a
branch of the vagus nerve X
depressor anguli oris
oblique line of the mandible
angle of the mouth
pulls the corner of marginal inferior labial a quotfrownquot muscle the mouth mandibular amp
branch of the downward buccal branches facial a., mental a.
of the facial nerve VII depressor labii inferioris anterior surface of the mandible skin of the
lower lip depresses the lower lip marginal mandibular branch of the facial nerve VII inferior
labial this muscle is used branch of the to bare the lower facial a., mental a. incisor teeth
depressor septi
maxilla near the midline above the incisor teeth anterior belly digastric fossa of the mandible
posterior belly mastoid notch of the temporal bone
nasal septum
depresses the buccal branch nasal septum of facial nerve involved in VII flaring the nostrils
anterior belly mylohyoid nerve, from the mandibular division of the trigeminal nerve V
posterior belly facial nerve VII
superior labial branch of the facial a. anterior belly submental a. posterior belly occipital a.
depressor septi is considered a part of the nasalis m. the digastric m. forms two sides of the
submandibular triangle it is formed from mesenchyme derived from the first two pharyngeal
arches, hence its dual innervation none
digastric
body of the hyoid elevates the hyoid via a fibrous loop bone depresses over an the mandible
intermediate tendon
dilator pupillae
outer margin of iris
inner margin of iris
dilates the pupil
sympathetic fibers via short ciliary nerves, synapsing in superior cervical sympathetic
ophthalmic a.
ganglion epicranius frontalis galea aponeurotica occipitalis superior nuchal line frontalis skin
of the eyebrows occipitalis galea aponeurotica elevates the eyebrows and wrinkles the
forehead frontalis temporal branches of the facial nerve VII occipitalis posterior auricular
branch of the facial nerve VII frontalis supraorbital and supratrochlear aa. occipitalis occipital
a. the frontalis and occipitalis muscles are two bellies of the epicranius muscle also known as
occipitofrontalis m.
frontalis
galea aponeurotica
skin of the eyebrow
elevates the eyebrows and wrinkles the forehead
temporal supraorbital and branches of the supratrochlear aa. facial nerve VII lingual a.
frontalis is the anterior belly of the epicranius muscle an extrinsic muscle of the tongue XII
innervates all tongue muscles except palatoglossus innervated by vagus X, as are most of
the palate and pharynx muscles genioglossus is used to test the
genioglossus
mental spine on the inner aspect of the mental symphysis
fans out to insert into the tongue from the tip to the base
protrudes the hypoglossal tongue inferior nerve XII fibers depresses tongue middle fibers
depresses ramus of spinal submental a. with aid superior thyroid clinicians examining the
eye will ask the patient to look toward the bridge of the nose to test the function of this
muscle inferior pharyngeal constrictor oblique line of the thyroid cartilage. via ascending
pharyngeal raphe pharyngeal cavity the pharyngeal pharyngeal a.function of cranial nerve XII
geniohyoid mental spines of the mandible body of the hyoid elevates the hyoid ventral
primary lingual a. inferior surface of abducts the nerve III. plexus. the mandible nerve C via
fibers carried by the hypoglossal nerve thyrohyoid and geniohyoid receive ansa cervicalis
fibers that travel with the hypoglossal nerve distal to the superior limb of the ansa cervicalis
an extrinsic muscle of the tongue hyoglossus upper border of the greater horn of the hyoid
and body of the hyoid bone floor of the orbit lateral to the lacrimal groove spreads out into the
intrinsic muscles of the tongue depresses the sides of the tongue.. this muscle elevates the
cornea midline constricts vagus X.. bone bone. lateral the most external of the three
pharyngeal . when the eye is adducted. retracts the tongue hypoglossal nerve XII lingual a.
inferior oblique sclera on the elevates and oculomotor ophthalmic a. rotates the superior pole
of the iris laterally. the eyeball corneal part of the inferior division eye.
laryngeal and recurrent laryngeal nerves depresses and oculomotor ophthalmic a. it has a
rotational action on the iris an antagonist of the posterior cricoarytenoid m. rotates the
superior pole of the iris laterally inferior laryngeal nerve. corneal part of the inferior division
eyeball. mandibular division of the trigeminal nerve V ...surface of cricoid cartilage from the a.
superior a. from the recurrent laryngeal nerve. active in grinding actions of chewing lateral
pterygoid superior head greater wing of the sphenoid bone. a branch of the vagus nerve X
superior laryngeal a. cricothyroid branch of the superior thyroid a.. opens the mouth. which
pivots the arytenoid cartilage and adducts the vocal folds superior head capsule and amp
articular disk of the temporomandibul ar joint. the superior head of lateral pterygoid is inferior
rectus common sclera on the tendinous ring at inferior surface of the apex of the the eyeball
orbit lateral cricoarytenoid arch of the cricoid cartilage muscular process draws the of the
arytenoid muscular process cartilage of the arytenoid cartilage anteriorly. because this
muscle approaches the eyeball from a medial direction. inferior thyroid constructor mm.
inferior head neck of the protracts the mandible. adducts the nerve III. the arteries that supply
the larynx anastomose within the larynx to supply the mucous membranes and muscles the
only one of the muscles of mastication that opens the mouth. inferior head lateral surface of
the lateral pterygoid lateral pterygoid pterygoid branch branch of the of the maxillary a.
infraorbital a. superior labial branch of the facial a.. superior labial branch of the facial
a..plate mandible sometimes called sphenomeniscus due to its insertion into the disc of the
temporomandibula r joint abducts the abducens nerve ophthalmic a.. nerve III and
sympathetics to the superior fibers inserting into the superior tarsal plate are called superior .
infraorbital a. as in a sneer none levator labii superioris alaque nasi levator palpebrae
superioris frontal process of ala of the nose the maxilla and skin of the upper lip apex of the
orbit above the optic canal elevates the upper buccal branch lip and flares the of the facial
nostril nerve VII skin and fascia of elevates the upper upper eyelid and eyelid the superior
tarsal plate oculomotor ophthalmic a. superior labial branch of the facial a. levator labii
superioris inferior margin of the orbit skin of the upper lip levator labii superioris is used to
bare the upper incisor teeth. corneal part of the VI eyeball loss of function of the abducens
nerve will cause the eye to be abducted a quotsmilequot muscle lateral rectus common
sclera on the tendinous ring at lateral surface of the apex of the the eyeball orbit angle corner
of the mouth levator anguli oris canine fossa of the maxilla elevates the angle buccal branch
of the mouth of the facial nerve VII elevates the upper buccal branch lip of the facial nerve VII
infraorbital a.
tarsal portion tarsal muscle and are smooth muscle. longitudinalis within tongue near the
apex shapes the tongue hypoglossal for speech and nerve XII mastication lingual a.the
scapula from vertebrae the superior angle to the spine dorsal scapular nerve C. the upper
part of the muscle receives branches of C amp C spinal nerves levator veli palatini apex of
the petrous part of the temporal bone and the medial surface of the auditory tube cartilage
within tongue muscles and fascia of the soft palate. lesion of the sympathetic supply causes
slight ptosis drooping of the eyelid dorsal scapular a. longitudinalis has superior and inferior
subdivisions that . palatine aponeurosis elevates the soft palate vagus nerve X ascending via
the pharyngeal a. an intrinsic muscle of the tongue. pharyngeal plexus a derivative of the
fourth pharyngeal arch linguae. named for its action levator scapulae transverse medial
border of elevates scapula processes of C.
of vertebrae C the occipital bone neck ventral primary rami of spinal nerves C anterior
tubercles and anterior surfaces of the bodies of vertebrae CT zygomatic arch and zygomatic
bone anterior arch of flex neck. chewing muscle the mandibular division of the trigeminal
nerve V . neck C anterior surfaces of bodies of vertebrae C lateral surface of the ramus and
angle of the mandible elevates the mandible longus colli none masseter nerve to the
masseteric branch a powerful masseter. tubercles of C. deep cervical a. shapes the tongue
for speech and mastication hypoglossal nerve XII lingual a. anterior and laterally bend
brachial plexus. an intrinsic muscle of the tongue whose fibers run superoinferiorly none
longus capitis anterior tubercles basilar portion of flex the head and cervical plexus. atlas.
from of the maxillary a. transversus within tongue within tongue compresses the sides of the
tongue. verticalis within tongue within tongue shapes the tongue hypoglossal for speech and
nerve XII mastication lingual a. an intrinsic muscle of the tongue whose fibers run
transversely linguae. rotate cervical and deep cervical a.span the length of the tongue
linguae.
inferior mentalis has no labial branch of direct action on the facial a. the oral aperture middle
pharyngeal lesser and greater midline constricts the vagus X. pyramidal process of the
palatine bone. flexes and CC a. of the three pharyngeal constrictors.medial pterygoid medial
surface of the lateral pterygoid plate. ascending cervical rib. also called scalenus middle
scalene posterior tubercles of the transverse processes of upper surface of the first rib
behind the subclavian artery elevates the first brachial plexus. this one is intermediate in both
superior/inferior position and depth a muscle of respiration inspiratory. this muscle mirrors
the masseter m. tuberosity of the maxilla medial surface of elevates and the ramus and
protracts the angle of the mandible mandible medial pterygoid branch pterygoid of the
maxillary a. medial rectus common sclera on the adducts the tendinous ring at medial
surface of corneal part of the the apex of the the eyeball eyeball orbit anterior surface of the
mandible near the mental symphysis midline skin of the chin elevates the skin of chin
mentalis mental a. this muscle directly opposes the action of the lateral rectus m. branch of
the mandibular division of the trigeminal nerve V oculomotor nerve III inferior division
marginal mandibular branch of the facial nerve VII ophthalmic a.. laterally bends the neck .
via constrictor horns of the pharyngeal raphe pharyngeal cavity the pharyngeal hyoid bone
and plexus the inferior part of the stylohyoid ligament ascending pharyngeal a. in position
and action with the ramus of the mandible between the two mm.
both muscles are derivatives of the second pharygneal arch nasalis has two subsidiary parts
nasalis pars alaris and pars transversa a subdivision of the nasalis m. depresses the
mandible mylohyoid mylohyoid branch nerve from the of the inferior inferior alveolar alveolar
a. penetrated by the dorsal scapular n. nerve. superior labial nasalis pars . a branch of the
mandibular division of the trigeminal nerve V buccal branch of the facial nerve VII superior
labial branch of the facial a. nasalis maxilla above the ala of the nose incisor teeth and and
midline the canine teeth aponeurosis flattens the nose. flare the nostrils nasalis pars alaris
maxilla above the ala of the nose canine teeth maxilla above the midline flares the nostrils
buccal branch of facial nerve VII flattens the nose buccal branch superior labial branch of the
facial a.vertebrae CC medius. via pharyngeal plexus the soft palate and uvula resist the
upward pressure of the tongue during swallowing the nerve to mylohyoid also innervates the
anterior belly of digastric m. mucosa of the uvula shortens the uvula vagus nerve X lesser
palatine a. a subdivision of musculus uvulae posterior nasal spine mylohyoid mylohyoid line
of mandible midline raphe and elevates the hyoid body of the hyoid bone and the bone
tongue.. and long thoracic n.
the superior from recurrent thyroid a. inferior floor of the orbit lateral to the lacrimal groove
sclera on the elevates and oculomotor ophthalmic a. adducting the vocal folds of facial nerve
VII branch of the facial a.. a branch of the of vagus X oblique. when the eye is adducted. the
oblique arytenoid m. when the eye is adducted. this muscle moves the . superior apex of the
orbit above the optic canal passes through a fibrocartilagenous pulley known as the trochlea.
oblique. near its apex inferior laryngeal br. the eyeball corneal part of the inferior division eye.
of laryngeal nerve. rotates the superior pole of the iris laterally. lies posterior to the
transverse arytenoid m. the nasalis m. this muscle elevates the cornea sclera on the
posterior superior surface of the eyeball depresses and abducts the eyeball. rotates the
superior pole of the iris medially trochlear nerve IV ophthalmic a. inferior surface of abducts
the nerve III.transversa oblique arytenoid incisor teeth aponeurosis draws arytenoid
cartilages together. laryngeal nerve. the arytenoideus is often considered to be one muscle
with oblique and transverse fibers clinicians examining the eye will ask the patient to look
toward the bridge of the nose to test the function of this muscle muscular process posterior
surface of the arytenoid of the cartilage contralateral arytenoid cartilage.
occipitofrontalis frontalis galea aponeurotica. infraorbital a.. tendon of omohyoid is tethered
to the clavicle by a fascial sling orbicularis oculi supraorbital a.cornea inferiorly occipitalis
superior nuchal line galea aponeurotica pulls the scalp posteriorly. also known as epicranius
m. occipitalis posterior auricular branch of the facial nerve VII frontalis supraorbital and
supratrochlear aa.. occipitalis is the posterior belly of the epicranius muscle the frontalis and
occipitalis muscles are two bellies of the occipitofrontalis muscle. superior belly lower border
of the hyoid bone lateral to the sternohyoid insertion orbital part skin of the lateral cheek.
occipitalis superior nuchal line frontalis skin of the eyebrows. occipitalis galea aponeurotica
omohyoid inferior belly upper border of the scapula medial to the scapular notch. activated
involuntarily in the blink reflex.. palpebral part lateral palpebral raphe closes the eyelids
temporal amp zygomatic branches of the facial nerve VII transverse cervical the intermediate
a. supratrochlear a. occipitalis occipital a. elevates the eyebrows elevates the eyebrows and
wrinkles the forehead posterior occipital a. the palpebral part is active in normal blinking and
the . angular branch of the facial a. palpebral part inferior belly depresses/stabiliz ansa
cervicalis intermediate es the hyoid bone tendon. superior belly intermediate tendon orbital
part medial orbital margin and the medial palpebral ligament.. auricular branch of the facial
nerve VII frontalis temporal branches of the facial nerve VII.
it is a palatal muscle innervated by X palatopharyngeus is part of the inner longitudinal
muscle layer of the pharynx platysma is derived from the mesenchyme of the second
pharyngeal arch palatopharyngeus posterior margin of the bony palate and the palatine
aponeurosis posterior wall of the pharynx and the posterior margin of the thyroid cartilage
elevates the larynx vagus nerve X ascending via pharyngeal pharyngeal a. plexus platysma
fascia overlying inferior border of the pectoralis the mandible and major and deltoid skin of
lower face muscles draws the corners cervical branch facial a.. elevates and entering it from
retracts the above tongue buccal branch of the facial nerve VII superior and inferior labial
branches of the facial a. infraorbital a. of the mouth of the facial down. ascending pharyngeal
a. mental a.medial palpebral ligament orbicularis oris skin and fascia of skin and fascia of
purses the lips lips and the area the lips surrounding the lips palatine aponeurosis side of the
tongue.. it aids in nerve VII depression of the mandible . orbital part is used to forcefully close
the eye the quotkissingquot muscle palatoglossus vagus nerve X via the pharyngeal plexus
although palatoglossus sounds like a tongue muscle and would therefore be innervated by
XII. tonsilar branch of the facial a..
posterior cricoarytenoid posterior surface muscular process of the lamina of of the arytenoid
the cricoid cartilage cartilage draws the muscular process posteriorly. lateral superior head
greater wing of the sphenoid bone. the posterior cricoarytenoid is the only ABductor of the
vocal folds. the arteries that supply the larynx anastomose within the larynx to supply the
mucous membranes and muscles a muscle of respiration inspiratory. from the recurrent
laryngeal nerve. and laterally bends the neck depresses the temporal branch supratrochlear
a. inferior head lateral surface of the lateral pterygoid plate the only one of the muscles of
mastication that opens the mouth. a branch of the vagus nerve X superior laryngeal a. which
pivots the arytenoid cartilage and abducts the vocal folds inferior laryngeal nerve.
cricothyroid branch of the superior thyroid a. inferior head neck of the mandible pterygoid. it
is the longest of the scalene muscles none posterior scalene posterior tubercles of the
transverse processes of vertebrae CC nasal bone lateral surface of the second rib elevates
the brachial plexus. flexes CC a. mandibular division of the trigeminal nerve V procerus skin
between the eyebrows superior head capsule and amp articular disk of the temporomandibul
ar joint. active in grinding actions of chewing lateral pterygoid pterygoid branch branch of the
of the maxillary a. ascending cervical second rib. medial corners of of the facial the eyebrows
nerve VII protracts the mandible. opens the mouth.. the superior head of lateral pterygoid is
sometimes called sphenomeniscus due to its insertion .
synapsing in superior cervical sympathetic ganglion ophthalmic a. this muscle mirrors the
masseter m. none pupillae. pyramidal process of the palatine bone. branch of the mandibular
division of the trigeminal nerve V sympathetic fibers via short ciliary nerves. medial medial
surface of the lateral pterygoid plate. sphincter encircles iris encircles iris constricts the pupil
parasympathetic ophthalmic a. dilator inner margin of iris dilates the pupil pupillae. fibers of
oculomotor nerve III. ramus of spinal nerve C none rectus capitis anterior lateral mass of
atlas basilar portion of occipital bone flexes the head none . in position and action with the
ramus of the mandible between the two mm.into the disc of the temporomandibula r joint
pterygoid. synapsing in ciliary ganglion ventral primary deep cervical a. tuberosity of the
maxilla outer margin of iris medial surface of elevates and the ramus and protracts the angle
of the mandible mandible medial pterygoid branch pterygoid of the maxillary a.
. anterolateral to head ramus of spinal foramen magnum nerve C depresses and oculomotor
ophthalmic a. corneal part of the VI eyeball none common sclera on the tendinous ring at
inferior surface of the apex of the the eyeball orbit because this muscle approaches the
eyeball from a medial direction. risorius fascia of the lateral cheek skin of the angle corner of
the buccal branches transverse facial of the facial a. adducts the nerve III. superior division
ophthalmic a. rotates the superior pole of the iris medially draws the corner of the mouth
oculomotor nerve III inferior division oculomotor nerve III.. superior ophthalmic a. facial a. it
has a rotational action on the iris loss of function of the abducens nerve will cause the eye to
be abducted this muscle directly opposes the action of the lateral rectus m.rectus capitis
lateralis rectus. lateral common sclera on the tendinous ring at lateral surface of the apex of
the the eyeball orbit rectus. rectus. because this muscle approaches the eye from a medial
position. rotates the superior pole of the iris laterally abducts the abducens nerve ophthalmic
a. it causes the iris to rotate medially risorius is active in expressions of rectus. inferior
transverse process of atlas occipital bone laterally bends the ventral primary deep cervical a.
medial common sclera on the adducts the tendinous ring at medial surface of corneal part of
the the apex of the the eyeball eyeball orbit common sclera on the tendinous ring at superior
surface the apex of the of the eyeball orbit elevates and adducts the eyeball. corneal part of
the inferior division eyeball.
mouth salpingopharyngeu inferior surface s of the anteromedial end of the auditory tube
cartilage laterally nerve VII vagus nerve X ascending via the pharyngeal a. ascending
cervical rib. anterior anterior tubercles scalene tubercle of the transverse of the first rib
processes of vertebrae CC elevates the first brachial plexus. flexes and CC laterally bends
the neck ascending cervical a. pharyngeal wall elevates the and superior larynx border of the
thyroid cartilage along with the palatopharyngeus m. laterally bends the neck . the phrenic
nerve crosses its anterior surface a muscle of respiration inspiratory. middle posterior
tubercles of the transverse processes of vertebrae CC upper surface of the first rib behind
the subclavian artery elevates the first brachial plexus. salpingopharynge us is derived from
the fourth pharyngeal arch a muscle of inspiration. flexes and CC a. it is located between the
subclavian vein and the subclavian artery.. pharyngeal plexus mirth like other muscles of the
pharyngeal wall. a branch of the thyrocervical trunk scalene. the roots of the brachial plexus
pass posterior to it. an important landmark of the neck. scalene. penetrated by the dorsal
scapular n. also called scalenus medius. rib.
posterior posterior tubercles of the transverse processes of vertebrae CC greater wing of the
sphenoid lateral surface of the second rib elevates the brachial plexus. fibers of oculomotor
nerve III. rotates head to same side splenius means bandage. cervicis posterior tubercles of
C extends and laterally bends neck and head.and long thoracic n. in bone. except for its
tendon. scalene. a muscle of respiration inspiratory. ascending cervical second rib. none
sphenomeniscus capsule and articular disk of the temporomandibul ar joint encircles iris
sphincter pupillae encircles iris constricts the pupil splenius ligamentum nuchae and spines
CT capitis mastoid process amp superior nuchal line laterally. and laterally bends the neck
pulls the articular disk forward in opening of the mouth lateral pterygoid pterygoid branch
branch of of the maxillary a.. it gets its name from its broad. a . posterior intercostal aa.
synapsing in ciliary ganglion dorsal primary rami of spinal nerves C supplied segmentally by
deep cervical a. flat shape stapedius walls of the pyramidal eminence neck of the stapes
dampens vibration of the stapes facial nerve VII anterior tympanic entirely enclosed a. it is
the longest of the scalene muscles sphenomeniscus is another name for the superior belly of
the lateral pterygoid m. flexes CC a. mandibular division of trigeminal nerve V
parasympathetic ophthalmic a.
superior thyroid a.. to it from C amp C for proprioception sternohyoid posterior surfaces of
both the manubrium and sternal end of the clavicle lower border of the hyoid bone. with d
branch of the structures lie deep sensory supply occipital a. anterior side of the styloid
process posterolateral side retracts and of the tongue elevates the tongue hypoglossal nerve
XII styloglossus ascending an extrinsic pharyngeal a. clavicular head medial /rd of the
clavicle mastoid process and lateral / of the superior nuchal line draws the mastoid process
down toward the same side which causes the chin to turn up toward the opposite side.
sternothyroid lies deep to the sternohyoid m. insertion depresses/stabiliz ansa cervicalis es
the hyoid bone superior thyroid a. muscle of the ascending palatine tongue branch of the
.derivative of the second pharyngeal arch sternocleidomastoi sternal head d anterior surface
of the manubrium. the muscles of the two sides flex the neck spinal accessory
sternocleidomastoi carotid sheath nerve XI. acting together. sternohyoid overlies the
sternothyroid and thyrohyoid mm. sternothyroid posterior surface oblique line of the
depresses/stabiliz ansa cervicalis of the thyroid cartilage es the hyoid bone manubrium
below the origin of the sternohyoid m. medial to the omohyoid m.
it is a derivative of the third pharyngeal arch passes through a fibrocartilagenous pulley
known as the trochlea. when the eye is adducted. to insert on the body of the hyoid bone
ascending pharyngeal a.facial a. rotates the superior pole of the iris medially trochlear nerve
IV ophthalmic a. is the only muscle of the pharyngeal wall NOT innervated by the vagus X
nerve. and the posterior belly of the digastric m. superior oblique apex of the orbit above the
optic canal sclera on the posterior superior surface of the eyeball depresses and abducts the
eyeball. the only muscle innervated by IX. stylohyoid posterior side of the styloid process
splits around the elevates and facial nerve intermediate retracts the hyoid VII tendon of the
bone digastric m. this muscle moves the stylopharyngeus medial side of the superior border
of elevates the styloid process the thyroid larynx cartilage and also into the pharyngeal wall
glossopharynge ascending al nerve IX pharyngeal a. shortly after exiting from the
stylomastoid foramen stylopharyngeus. facial nerve innervates both the stylohyoid m. .
rotates the superior pole of the iris medially elevates the mandible. retracts the mandible
posterior fibers oculomotor nerve III. because this muscle approaches the eye from a medial
position. mylohyoid line of mandible pharyngeal constricts the vagus X. superior division
ophthalmic a. it causes the iris to rotate medially a powerful chewing muscle. tensor tympani
cartilagenous manubrium of the auditory tube and malleus the greater wing of the sphenoid
bone which lies adjacent to it dampens vibrations of the tympanic membrane V innervates
both tensor muscles of the head tympani and veli palatini which are . pterygoid
hamulus.cornea inferiorly superior pharyngeal constrictor medial pterygoid plate. the most
internal of the three pharyngeal constructor mm. from the mandibular division of the
trigeminal nerve V medial pterygoid branch of the mandibular division of the trigeminal nerve
superior tympanic branch of the middle meningeal a. pterygomandibul ar raphe. via tubercle
and pharyngeal cavity the pharyngeal midline plexus pharyngeal raphe ascending
pharyngeal a. a derivative of the first pharyngeal arch temporalis temporal fossa coronoid
process and the temporal of the mandible fascia and the anterior surface of the ramus of the
mandible anterior and anterior and posterior deep posterior deep temporal nerves temporal
aa. superior rectus common sclera on the tendinous ring at superior surface the apex of the
of the eyeball orbit elevates and adducts the eyeball.
the medial most fibers of thyroarytenoid that insert along the vocal ligament are called the
vocalis muscle represents the superior fibers of thyroarytenoid muscle which fan out to the
quadrangular tensor veli palatini scaphoid fossa. a branch of the vagus nerve X
thyroepiglottic inner surface of lateral surface of the thyroid the epiglottic cartilage near the
cartilage laryngeal prominence draws the epiglottic cartilage downward inferior laryngeal
branch laryngeal nerve. laryngeal nerve. relaxing and adducting the vocal folds inferior
laryngeal branch laryngeal nerve. laryngeal nerve. palatine lateral wall of the aponeurosis
auditory tube cartilage opens the auditory tube. tenses the soft palate mandibular ascending
division of the pharyngeal a.V derivatives of the first pharyngeal arch remember V innervates
both tensor muscles tympani and veli palatini. of the superior from recurrent thyroid a. and
the vocalis m. ALL other palatal muscles are innervated by vagus its subsidiary parts are the
thyroepiglottic m.. trigeminal nerve V thyroarytenoid inner surface of the thyroid cartilage
anteriorly lateral border of the arytenoid cartilage draws the arytenoid cartilage forward. of
the superior from recurrent thyroid a. a branch of the vagus nerve X .
thyrohyoid lies via fibers deep to the running with sternohyoid the hypoglossal nerve that
leave XII distal to the superior limb of ansa preganglionic inferior thyroid a.lies anterior to the
transverse arytenoid posterior surface posterior surface of the arytenoid of the cartilage
contralateral draws arytenoid cartilages together. .. the arytenoideus is often considered to
be one muscle with oblique and transverse parts the transverse arytenoid m. smooth muscle.
parasympathetic bronchial aa. adducting the vocal folds inferior laryngeal br. found in the
fibers from the submucosal layer vagus X nerve trachealis posterior edge of posterior edge
of the tracheal the tracheal cartilage cartilage of other side joins tracheal rings posteriorly
posterior surface posterior surface of the arytenoid of the cartilage contralateral arytenoid
cartilage constricts the bronchi and trachea transverse arytenoid draws arytenoid cartilages
together.membrane and epiglottis thyrohyoid oblique line of the thyroid cartilage lower border
of the hyoid bone elevates the larynx. the superior from recurrent thyroid a. of laryngeal
nerve..lies anterior to the oblique arytenoid m. inferior laryngeal br. depresses/stabiliz es the
hyoid bone ansa cervicalis superior thyroid a. a branch of the vagus nerve X the transverse
arytenoid m. laryngeal nerve. the superior from recurrent thyroid a. of laryngeal nerve.
. the cricothyroid m. a branch of the vagus nerve X oblique arytenoid m. facial a. zygomaticus
minor lateral part of the upper lip elevates the upper buccal branch lip of the facial nerve VII a
quotsmilequot muscle . a branch of the vagus nerve X zygomaticus major upper lateral
surface of the zygomatic bone lower surface of the zygomatic bone skin of the angle of the
mouth elevates and draws the corner of the mouth laterally zygomatic and transverse facial
buccal branches a. of laryngeal nerve. recurrent laryngeal nerve. grossly tenses the vocal
ligaments. while the vocalis muscle provides the mechanism for fine tuning the vibrations of
the vocal folds a quotsmilequot muscle vocalis surface of the vocal ligament thyroid cartilage.
the arytenoideus is often considered to be one muscle with oblique and transverse parts
represents the innermost fibers of the thyroarytenoid muscle. of the facial nerve VII
transverse facial a. vocal process of the arytenoid cartilage relaxes segments of the vocal
ligament. facial a..arytenoid cartilage adducting the vocal folds laryngeal nerve. thereby
adjusting pitch inferior laryngeal br. the superior from the thyroid a..
Muscles of the Thoracic Region . superior phrenic a. the only difference being that they lie
deep to the intercostal neurovascular bundle in number. fascia of the over the quadratus
diaphragm lumborum and psoas major mm. intercostal space nerves Tcoursing up from
blowing out T intercostal a.Listed Alphabetically Muscle diaphragm Origin Insertion Action
Innervation Artery musculophrenic a. space coursing. downward and medially pushes the
phrenic nerve abdominal viscera CC inferiorly.lateral amp medial arcuate ligaments. central
tendon costal margin.. increasing the volume of the thoracic cavity inspiration keeps the
intercostal intercostal space nerves Tfrom blowing out T or sucking in during respiration
external intercostal intercostal a. internal intercostal upper border of a rib lower border of
keeps the intercostal rib above. they extend from the margin of the sternum to the innermost
intercostal upper borders of a rib fibers course up and medially to insert on the inferior
margin of the rib above keeps the intercostal intercostal space nerves Tfrom blowing out T or
sucking in during respiration intercostal a.. . have the same fiber direction as the internal
intercostal mm. Notes left crus attaches to the LL vertebral bodies. the right crus attaches to
the LL vertebral bodies xiphoid process.. continuous with the external intercostal membrane
anteriorly innermost intercostal mm. inferior phrenic a. they extend from the tubercle of the
rib to the costochondral junction. vertebral bodies LL lower border of a rib upper border of
within an intercostal the rib below. in number.
medial to the angle angle of a rib ribs above origin elevates the rib compresses the
intercostal intercostal spaces nerves transversus posterior surface of thoracis the sternum
inner surfaces of costal cartilages compresses the thorax for forced expiration intercostal
nerves internal thoracic a. transversus thoracis. continuous posteriorly with the internal
intercostal membrane dorsal primary deep cervical a.. is internal abdominal oblique muscles
contribution to the coverings of the spermatic cord and testis. rami of spinal intercostal aa.
females . nerves CT intercostal a.Listed Alphabetically Muscle cremaster Origin Insertion
Action Innervation Artery Notes the cremaster m. the cremasteric inguinal ligament forms thin
network of muscle fascicles around the spermatic cord and testis or around the distal
elevates testis genital branch of cremasteric a. make up the deepest intercostal muscle layer
levatores costarum subcostalis transverse processes CT angle of ribs rib below its
origin..and medially or sucking in during respiration angle of the rib. transversus thoracis amp
innermost intercostal mm. these are fairly small and insignificant muscles subcostalis. a not
well the genitofemoral branch of the inferior developed in nerve epigastric a. make up the
innermost intercostal muscle layer Muscles of the Abdominal Region . subcostalis amp
innermost intercostal mm.
. anterior superior iliac spine amp anterior half of iliac crest interfoveolar transversus anterior
lamina abdominis fibers of femoral that lie sheath.. superficial circumflex iliac a. distributes
cutaneously elevates testis tenses the skin of the pudendal region in the female flexes and
laterally bends the trunk postganglionic cremasteric a. superficial epigastric a. pubic crest
amp tubercle. superficial external pudendal a... sympathetic nerve posterior scrotal fibers
arriving via labial a. iliohypogastric and ilioinguinal nerves musculophrenic a. intercostal aa....
which dartos subcutaneous connective tissue of the scrotum and the penis or labium majus
and clitoris lower ribs skin of the scrotum and penis or labium majus and clitoris external
abdominal oblique linea alba. the external spermatic fascia is the external abdominal oblique
muscles contribution to the coverings of the testis and spermatic cord an inconstant part of
the transversus abdominis m. compresses abdominal contents iliohypogastric and ilioinguinal
nerves . the ilioinguinal nerve and the posterior scrotal nerve intercostal nerves .. subcostal
a.. inferior epigastric a. lumbar aa.portion of the round ligament of the uterus reflex may be
elicited by stroking the medial thigh where the femoral branch of the genitofemoral n. inferior
epigastric a. or the goosebump muscles the inguinal ligament is a specialization of the
external abdominal oblique aponeurosis. . the dartos elevates the testis in response to cold it
is modified arrector pili fibers. subcostal. deep circumflex iliac a. superior epigastric a.
.. iliohypogastric and ilioinguinal nerves musculophrenic a... perpendicular to the fibers of
external abdominal oblique. subcostal a. the external spermatic fascia is the external
abdominal oblique muscles contribution to the coverings of the testis and spermatic cord
oblique. superior epigastric a... deep circumflex iliac a. may be replaced by a ligament
interfoveolar ligament anterior fibers of internal abdominal oblique course up and medially...
lumbar aa. pubic crest amp tubercle. . lumbar aa. subcostal a.. superior epigastric a. anterior
/ of the iliac crest.. inferior epigastric a. subcostal. pubic laterally crest bends the trunk
intercostal nerves .. superficial circumflex iliac a. external abdominal lower ribs linea alba.
superficial epigastric a. superficial external pudendal a. iliohypogastric and ilioinguinal nerves
musculophrenic a.. anterior superior iliac spine amp anterior half of iliac crest flexes and
laterally bends the trunk intercostal nerves . superficial external . lateral / of the inguinal
ligament lower or ribs. deep circumflex iliac a. flexes and linea alba. subcostal..superficial to
the immediately inferior distal to origin of epigastric vessels inferior epigastric vessels internal
abdominal oblique thoracolumbar fascia. superficial epigastric a.. superficial circumflex iliac
a. inferior epigastric a... the cremaster muscle and fascia is the internal abdominal oblique
muscles contribution to the coverings of the testis and spermatic cord the inguinal ligament is
a specialization of the external abdominal oblique aponeurosis. intercostal aa. intercostal aa..
lumbar aa. superficial epigastric a.. is . subcostal a. superior epigastric a. the cremaster
muscle and fascia is the internal abdominal oblique muscles contribution to the coverings of
the testis and spermatic cord the genitofemoral nerve pierces the anterior surface of the
psoas major m.. subcostal.. lumbar aa. superficial circumflex iliac a.. lateral / of the inguinal
ligament lower or ribs.. internal abdominal thoracolumbar fascia.. psoas minor bodies of the
T iliopubic amp L vertebrae eminence at the line of junction of the ilium and the superior
pubic ramus pubis. psoas major bodies and transverse processes of lumbar vertebrae lesser
trochanter of femur with iliacus via iliopsoas tendon flexes the thigh. oblique. inferior
epigastric a.. iliohypogastric and ilioinguinal nerves musculophrenic a.. deep circumflex iliac
a. flexes amp laterally bends the lumbar vertebral column flexes amp laterally bends the
lumbar vertebral column draws the branches of the ventral primary rami of spinal nerves LL
subcostal a. anterior to linea alba branches of the ventral primary rams of spinal nerves LL
lumbar aa. . anterior fibers of internal abdominal oblique course up and medially. anterior / of
the iliac crest.pudendal a... absent in of cases pyramidalis subcostal nerve subcostal a.
perpendicular to the fibers of external abdominal oblique. intercostal aa. inferior the
pyramidalis m. superficial external pudendal a. pubic laterally crest bends the trunk
intercostal nerves . flexes and linea alba.
thoracolumbar fascia. transversalis fascia.. lumbar and ventral aa. fixes the th rib epigastric
a. subcostal. superficial circumflex iliac a. anterior / of the iliac crest.. lateral / of inguinal
ligament linea alba. and intercostal aa... superficial epigastric a.the rectus abdominis
quadratus lumborum posterior part of the iliac crest and the iliolumbar ligament transverse
processes of lumbar vertebrae and the th rib linea alba inferiorly laterally bends the trunk. of
the pubis iliohypogastric and ilioinguinal nerves musculophrenic a. subcostal nerve subcostal
a. inferior epigastric a. intercostal aa. deep circumflex iliac a. inferior epigastric a. subcostal
nerve subcostal a. superficial external pudendal a. lumbar aa.. . not always present the
lateral arcuate ligament of the diaphragm crosses the anterior surface of the quadratus
lumborum m. forms the internal spermatic fascia rectus abdominis pubis and the xiphoid
process pubic symphysis of the sternum and costal cartilages flexes the trunk transversus
abdominis lower ribs. subcostal a. rectus sheath contains rectus abdominis and is formed by
the aponeuroses of external and internal oblique and transversus abdominis mm.. pubic
compresses intercostal nerves crest and pecten the abdomen . superior epigastric a...... the
deep fascia that covers the inner surface of the transversus abdominis. . primary rami of
spinal nerves LL intercostal nerves superior epigastric a. transversus abdominis muscle does
not contribute to the coverings of the spermatic cord and testis.
central tendinous in male point and the midline raphe on the bulb of the penis perineal
membrane and corpus cavernosum of the clitoris perineal membrane. expels semen during
ejaculation . external Origin perineal body or central tendinous point of the perineum
Insertion Action Innervation inferior rectal nerves from the pudendal nerve Artery inferior
rectal a.Listed Alphabetically Muscle anal sphincter. compresses the spongy urethra deep
branch of the perineal nerve from pudendal nerve deep branch of the perineal nerve from
pudendal nerve perineal a. dorsal surface of the corpus spongiosum. deep penile fascia
compresses the vestibular bulb and constricts the vaginal orifice compresses the bulb of the
penis. perineal body in female and fascia of the bulb of the vestibule bulbospongiosus.
internal encircles the anal encircles the anal canal canal constricts the anal canal
parasympathetic fibers from S middle rectal a. the external anal sphincter is considered part
of the pelvic diaphragm smooth muscle involuntary. bulbospongiosus.Muscles of the Pelvis
and Perineum . which is skeletal muscle voluntary encircles the anal constricts the canal. as
contrasted with sphincter ani internus. superficial anal canal fibers attach to the coccyx anal
sphincter. expels the last drops of urine from urethra. as contrasted with sphincter ani
externus. which is smooth involuntary muscle. skeletal muscle perineal a. Notes skeletal
voluntary muscle.
detruser of bladder iliococcygeus arcus tendineus levator ani and the ischial spine
anococcygeal raphe and the coccyx inferior gluteal a. the combination of puborectalis.
pubococcygeus and iliococcygeus is called the levator ani m. ischiocavernosus medial
surface of the ischial tuberosity and the ischiopubic ramus corpus cavernosum and crus of
the penis/clitoris compresses the deep branch of the corpus perineal nerve cavernosum from
pudendal nerve elevates the pelvic floor branches of the ventral primary perineal a. deep
transverse perineus medial surface of contralateral the ischial ramus muscle and perineal
body/central tendinous point smooth muscle fascicles are in the wall of the arranged roughly
urinary bladder in three layers fixes and deep branch of internal stabilizes the perineal nerve
from pudendal perineal pudendal nerve a. levator ani posterior surface anococcygeal of the
body of raphe and coccyx . body/central tendinous point compresses the parasympathetic
urinary bladder nerve fibers from the pelvic splanchnic nerves SS spinal cord levels elevates
the pelvic floor branches of the ventral primary rami of spinal nerves SS superior and inferior
vesical aa.coccygeus ischial spine side of the coccyx elevates the and lower sacrum pelvic
floor branches of the ventral primary rami of spinal nerves SS inferior gluteal a. coccygeus
and levator ani combined form the pelvic diaphragm superficial and deep transverse
perineus muscles are separated by the perineal membrane muscles in the neck of bladder
must contract and cause the internal urethral orifice to open before the detruser muscle can
void the bladder the combination of puborectalis. ischiocavernosus m. is closely applied to
the surface of the crus penis/clitoris inferior gluteal a.
ischial spine levator prostatae posterior aspect of the pubis fascia of the prostate elevates
the prostate rami of spinal nerves SS pubococcygeus amp iliococcygeus is the levator ani m.
superficial inferior rectal a. as contrasted . branches of the ventral primary rami of spinal
nerves SS branches of the ventral primary rami of spinal nerves SS branches of the ventral
primary rami of spinal nerves SS pubococcygeus posterior aspect of the superior pubic ramis
coccyx elevates the pelvic floor inferior gluteal a. skeletal voluntary muscle. arcus tendineus
levator ani. aids in voluntary retention of feces inferior gluteal a. pubococcygeus and
iliococcygeus is called the levator ani m. fascia of the obturator internus m. puborectalis
posterior aspect of the body of the pubis unites with the puborectalis m. the combination of
puborectalis. pubovaginalis is part of the levator ani muscle sphincter ani externus perineal
body or encircles the anal central tendinous canal. of other side posterior to the rectum
draws the distal rectum forward and superiorly.the pubis. coccygeus and levator ani
combined form the pelvic diaphragm inferior gluteal a. the combination of puborectalis.
levator prostatae is part of the puborectalis m. pubovaginalis posterior aspect of the body of
the pubis fascia of the vagina and perineal body draws the branches of the vagina forward
ventral primary and superiorly rami of spinal nerves SS constricts the anal canal inferior
rectal nerves from the inferior gluteal a.. pubococcygeus and iliococcygeus is called the
levator ani m.
point of the perineum fibers attach to the coccyx pudendal nerve with sphincter ani internus.
skeletal muscle superficial transverse perineus medial surface of contralateral the ischial
ramus muscle and the perineal body/central tendinous point fixes and deep branch of
perineal a. encircles the in female urethra encircles urethra compresses and vagina. which is
smooth involuntary muscle. compresses reaches lateral urethra surface of prostate and
inferior bladder deep branch of internal perineal nerve from pudendal pudendal nerve a.
which is skeletal muscle voluntary skeletal muscle sphincter ani internus encircles the anal
encircles the anal canal canal constricts the anal canal parasympathetic fibers from S
sphincter urethrae. the external anal sphincter is considered part of the pelvic diaphragm
middle rectal a. stabilizes perineal nerve from perineal pudendal nerve body/central
tendinous point superficial and deep transverse perineus muscles are separated by the
perineal membrane . smooth muscle involuntary. sphincter urethrae. urethra and extends
superiorly vagina along the urethra as far as the inferior surface of the bladder encircles
urethra. encircles the in male urethra deep branch of internal perineal nerve from pudendal
pudendal nerve a. as contrasted with sphincter ani externus.
Notes abductor digiti minimi forms the lateral margin of the sole of the foot abductor hallucis
forms the medial margin of the sole of the foot anterior and posterior divisions of the
obturator nerve lie on the anterior and posterior surfaces of abductor hallucis medial plantar
nerve medial plantar a.transverse perineus. deep nerve femoral a. adductor brevis inferior
pubic ramus pectineal line and adducts. and linea aspera medially rotates the deep to the
femur pectineus and adductor longus anterior division obturator of the obturator a. flexes..
deep medial surface of contralateral the ischial ramus muscle and perineal body/central
tendinous point medial surface of contralateral the ischial ramus muscle and the perineal
body/central tendinous point fixes and deep branch of internal stabilizes the perineal nerve
from pudendal perineal pudendal nerve a. body/central tendinous point fixes and deep
branch of perineal a. flexes the metatarsophalageal joint abducts the great toe.Listed
Alphabetically Muscle abductor digiti minimi foot Origin medial and lateral sides of the
tuberosity of the calcaneus medial side of the tuberosity of calcaneus Insertion lateral side of
the base of the proximal phalanx of the th digit medial side of the base of the proximal
phalanx of the great toe hallux Action abducts the th toe. stabilizes perineal nerve from
perineal pudendal nerve body/central tendinous point superficial and deep transverse
perineus muscles are separated by the perineal membrane superficial and deep transverse
perineus muscles are separated by the perineal membrane transverse perineus. flexes the
metatarsophalageal joint Innervation lateral plantar nerve Artery lateral plantar a. . superficial
Muscles of the Lower Limb .
flexes. so it is innervated by the tibial nerve adductor minimus m.. medial posterior femoral
division of the circumflex obturator nerve a. the ischiocondylar part inserts on the adductor
tubercle of the femur anterior division obturator of the obturator a. posterior division of the
obturator nerve.mm. medial femoral circumflex a. adductor hallucis oblique head bases of
metatarsals ...toward the nd digit adducts. the most anterior of the adductor group of muscles
the ischiocondylar part of adductor magnus is a hamstring muscle by embryonic origin and
action. femoral nerve descending articularis genu is genicular a. biceps femoris long head
tibial perforating one of the quothamstringquot . and medially rotates the femur adducts..
tibial nerve ischiocondylar part obturator a. deep femoral a.. obturator a. flexes. and medially
rotates the femur. deep nerve femoral a. i. is the uppermost fibers of the adductor magnus m.
transverse head heads of metatarsals medial portion of the superior pubic ramus ischiopubic
ramus and ischial tuberosity lateral side of base of the proximal phalanx of the great toe
adducts the great toe moves it toward midline of the foot.e. adductor magnus gluteal ridge
and lower portion of upper part of the adducts and laterally adductor minimus the inferior
linea aspera of rotates the femur pubic ramus the femur articularis genu anterior surface
articular capsule of the femur of the knee above the patellar surface long head head of fibula
elevates the articular capsule of the knee joint extends the thigh. formed by muscle fascicles
deep to the vastus intermedius m. extends the femur ischiocondylar part deep branch of the
lateral plantar nerve adductor brevis plantar the plantar arterial arterial arch arch passes
superior to the oblique head of adductor hallucis adductor longus linea aspera of the femur
linea aspera of the femur. deep femoral a.
lateral side flexes the leg nerve. remember DAB Dorsal interossei ABduct and PAD Plantar
interossei ADduct. anterior surface of the fibula. short condyle of the head lateral lip tibia of
the linea aspera dorsal interosseous shafts of foot adjacent metatarsal bones bases of the
proximal phalanges for digit both sides amp digits . flex the metatarsophalangeal joints and
extend the interphalangeal joints of those digits extensor digitorum superolateral brevis
surface of the calcaneus extensor extends toes expansion of toes deep fibular dorsalis
peroneal nerve pedis a. short branches of muscles head common the deep fibular femoral a.
one of the muscles involved in anterior compartment syndrome extensor digitorum lateral
condyle longus of the tibia. the part of the extensor digitorum brevis that goes to the great toe
is called the extensor hallucis brevis m. four in number. then logic can tell you where these
muscles insert abduct digits move these digits away from midline as defined by a plane
passing through the nd digit.ischial and lateral tuberosity. . lateral portion of the interosseous
membrane dorsum of the lateral toes via extensor expansions central slip inserts on base of
middle phalanx. lateral slips on extends the metatarsophalangeal. proximal interphalangeal
and distal interphalangeal joints of the lateral toes deep fibular anterior peroneal nerve tibial
a. peroneal nerve deep branch of the lateral plantar nerve dorsal metatarsal aa.
one of the muscles involved in anterior compartment syndrome extensor hallucis longus
deep fibular anterior peroneal nerve tibial a. fibularis distal part of the dorsum of the deep
fibular anterior fibularis tertius is in . fibularis peroneus brevis lower one third tuberosity of the
of the lateral base of the th surface of the metatarsal fibula upper two/thirds of the lateral
surface of the fibula extends plantar flexes and everts the foot superficial fibular fibular
peroneal peroneal nerve a. stress fracture of the base of the th metatarsal bone is a common
runners injury fibularis longus lies superficial to the fibularis brevis m. it inserts on the medial
cuneiform and the base of the st metatarsal bone everts the foot superficial fibular fibular
peroneal peroneal nerve a.base of distal phalanx extensor hallucis brevis superolateral
surface of the calcaneus middle half of the anterior surface of the fibula and the interosseous
membrane dorsum of base of extends the great toe proximal phalanx of the great toe base of
the distal extends the phalanx of the metatarsophalangeal great toe interphalangeal joints of
the great toe deep fibular dorsalis peroneal nerve pedis a. in the lateral compartment of the
leg fibularis peroneus longus after crossing the extends plantar plantar surface of flexes and
everts the the foot deep to foot the intrinsic muscles. usually considered to be the
medialmost part of the extensor digitorum brevis m.
intermuscular septae middle half of the posterior surface of the tibia base of the middle
phalanx of digits after splitting to allow passage of the flexor digitorum longus tendons flexes
the metatarsophalangeal amp proximal interphalangeal joints of digits lateral plantar nerve
lateral plantar a.peroneus tertius anterior surface shaft of the th of the fibula metatarsal bone
peroneal nerve tibial a. lateral cuneiform. digits proximal interphalangeal and distal
interphalangeal joints of digits . of the arm each tendon of insertion contains a sesamoid
bone flexor digitorum longus bases of the distal flexes the tibial nerve phalanges of
metatarsophalangeal. medial side of the first metatarsal medial plantar a. plantar flexes the
foot medial belly flexes the medial side of metatarsophalangeal proximal phalanx joint of the
great toe of the great toe. of the arm tibial a. . plantar aponeurosis. not the lateral
compartment which contains fibularis longus and brevis none flexor digiti minimi brevis foot
flexor digitorum brevis base of th lateral side of flexes the metatarsal bone base of proximal
metatarsophalangeal phalanx of th joint of the th digit digit tuberosity of the calcaneus. the
anterior compartment of the leg. flexor digitorum longus in the leg is equivalent to the flexor
digitorum profundus m. medial plantar nerve medial and flexor digitorum lateral brevis in the
foot is plantar aa. lateral belly medial plantar nerve lateral belly occasionally receives flexor
hallucis brevis cuboid. equivalent to the flexor digitorum superficialis m.
inferior gluteal a. plantar calcaneus via the flexes foot calcaneal Achilles tendon sural aa.
flexor hallucis longus is very important in the quotpush offquot part of the normal gait
gastrocnemius femur. nerve to the obturator internus m. superior ischial spine gluteus
maximus posterior gluteal line.. laterally rotates the lowermost fibers femur gluteal tuberosity
of the femur nerve to the quadratus femoris m. inferior obturator internus laterally rotates the
tendon femur obturator internus laterally rotates the tendon femur upper fibers extends the
thigh. inferior gluteal a. posterior tibial a.lateral side of the proximal phalanx of the great toe
flexor hallucis longus lower / of the base of the distal posterior phalanx of the surface of the
great toe fibula innervation from the lateral plantar nerve flexes the tibial nerve
metatarsophalangeal and proximal interphalangeal joints of the great toe. plantar flexes the
foot tibial nerve fibular peroneal a. posterior surface of sacrum and coccyx. and tibial a.
lateral head above the lateral femoral condyle ischial tuberosity dorsum of the flexes leg.
injection . iliotibial tract. medial head above the medial femoral condyle. inferior gluteal nerve
gemellus is a Latin word that means quotlittle twinquot gemellus is a Latin word that means
quotlittle twinquot gemellus. sacrotuberous superior gluteus maximus is a and inferior site of
intramuscular gluteal aa. from the popliteal a. the calcaneal tendon of the gastrocnemius and
soleus is the thickest and strongest tendon in the body gemellus.
flexes the leg lesser trochanter of the femur anterior division obturator a. the angle at which
the gluteus medius tendon approaches the greater trochanter of the femur is anterior to the
axis of rotation of the thigh. if the femoral nerve thigh is fixed it flexes the pelvis on the thigh
iliopsoas lesser trochanter of the femur flexes the thigh. via the iliopsoas tendon a
combination of the iliacus and psoas iliacus flexes the thigh. sartorius. . of the ilium of the
femur medially rotates the between the thigh anterior and inferior gluteal lines superior
gluteal superior nerve gluteal a. iliolumbar a. and semitendinosus mm. of the ilium of the
femur medially rotates the between the thigh posterior and anterior gluteal lines superior
gluteal superior nerve gluteal a. gracilis pubic symphysis and the inferior pubic ramus iliac
fossa and iliac crest. bodies and medial surface of adducts the thigh. the pes anserinus is of
the obturator the common insertion nerve of the gracilis. flexes branches of the iliolumbar
and laterally bends the ventral primary a.ligament gluteus medius external surface greater
trochanter abducts the femur. inserts in company with the psoas major m. the tibia via pes
flexes and medially anserinus rotates the thigh. resulting in medial rotation gluteus minimus
external surface greater trochanter abducts the femur. ala of sacrum iliac fossa. resulting in
medial rotation the angle at which the gluteus minimus tendon approaches the greater
trochanter of the femur is anterior to the axis of rotation of the thigh.
dorsal metatarsal aa. major mm. and logic will tell you where these muscles must insert
lumbricals foot tendons of the flexor medial side of the flex the extensor metatarsophalangeal
medial and the lumbricals of the lateral foot have the same . remember DAB Dorsal
interossei ABduct and PAD Plantar interossei ADduct. obturator internus laterally rotates the
tendon femur bases of the proximal phalanges for digit both sides amp digits . dorsal foot
interosseous. flex the metatarsophalangeal joints and extend the interphalangeal joints of
those digits gemellus is a Latin word that means quotlittle twinquot four in number. then logic
can tell you where these muscles insert interosseous. plantar base and medial bases of
proximal side of phalanges and metatarsals extensor expansions of digits adduct digits deep
branch of move these digits the lateral toward the midline of plantar nerve the foot as defined
by a plane through the second digit. branches of the femoral nerve nerve to the quadratus
femoris m.transverse processes of lumbar vertebrae inferior gemellus ischial tuberosity
shafts of adjacent metatarsal bones lumbar vertebral column rami of spinal nerves LL. lateral
side abduct digits move these digits away from midline as defined by a plane passing
through the nd digit. deep branch of the lateral plantar nerve inferior gluteal a. flex the
metacarpophalangeal and extend interphalangeal joints of digits medial st lumbrical plantar
metatarsal aa. remember PAD Plantar interossei ADduct and DAB Dorsal interossei ABduct.
. the obturator internus m. lateral three lumbricals lateral plantar nerve plantar aa. flexes. the
tendon of the obturator externus m. extend the proximal interphalangeal amp distal
interphalangeal joints of digits medial plantar nerve. leaves the pelvis by passing through the
lesser sciatic foramen.digitorum longus expansion of digits joint. pectineus often has a dual
innervation pectineus pectineal line of the femur adducts. action on the toes that the
lumbricals in the hand have on the fingers obturator externus the external trochanteric fossa
laterally rotates the surface of the of the femur thigh obturator membrane and the superior
and inferior pubic rami obturator internus the internal surface of the obturator membrane and
margin of the obturator foramen pecten of the pubis greater trochanter laterally rotates and
on its medial abducts the thigh surface above the trochanteric fossa obturator nerve
obturator a. passes inferior to the neck of the femur to reach its insertion site nerve to the
obturator internus m. the superior and inferior gemellus mm. and medially rotates the thigh
femoral nerve and possibly the anterior division of the obturator nerve peroneus mm.
obturator a. SEE fibularis mm. insert on the obturator internus tendon medial femoral
circumflex a. peroneus is the old terminology used for the fibularis mm.
remember PAD Plantar interossei ADduct and DAB Dorsal interossei ABduct.piriformis
anterior surface upper border of laterally rotates and of sacrum greater trochanter abducts
thigh of femur base and medial bases of proximal side of phalanges and metatarsals
extensor expansions of digits ventral rami of SS piriformis leaves the pelvis by passing
through the greater sciatic foramen plantar metatarsal aa. popliteus unlocks the knee joint to
initiate flexion of popliteus lateral condyle of the femur posterior surface flexes and rotates
the tibial nerve of the tibia above leg medially with the soleal line foot planted. plantaris has a
long slender tendon that is equivalent to the tendon of the palmaris longus m. and logic will
tell you where these muscles must insert plantar interosseous adduct digits deep branch of
move these digits the lateral toward the midline of plantar nerve the foot as defined by a
plane through the second digit. has a round tendon of origin. flex the metacarpophalangeal
and extend interphalangeal joints of digits tibial nerve plantaris above the lateral femoral
condyle above the lateral head of gastrocnemius dorsum of the flexes the leg. its tendon is
often called the quotfreshman nervequot because it is often misidentified by the freshman
medical student popliteal a. plantar calcaneus medial flexes the foot to the calcaneal tendon
popliteal a. of the arm. it rotates the thigh laterally .
flexes amp laterally bends the lumbar vertebral column branches of the subcostal ventral
primary a. vastus quadratus plantae assists the flexor digitorum longus in flexing the toes
lateral plantar nerve lateral plantar a.the leg psoas major bodies and transverse processes of
lumbar vertebrae bodies of the T amp L vertebrae lesser trochanter of femur with iliacus via
iliopsoas tendon flexes the thigh. quadriceps femoris anterior surface tibial tuberosity of the
femur via the patellar and the anterior ligament side of the extends the knee. changes the
line of force of the flexor digitorum longus m. the nerve to the quadratus femoris m. deep .
rectus femoris flexes the thigh femoral nerve lateral circumflex femoral a. the quadratus
plantae m. plantar ligament nerve to the quadratus femoris m. also innervates the inferior
gemellus m.. vastus lateralis.. inferior gluteal a. ventral primary rams of spinal nerves LL the
genitofemoral nerve pierces the anterior surface of the psoas major m. absent in of cases
psoas minor iliopubic flexes amp laterally eminence at the bends the lumbar line of junction
of vertebral column the ilium and the superior pubic ramus laterally rotates the thigh
quadratus femoris lateral border of quadrate line of the ischial the femur below tuberosity the
intertrochanteric crest anterior portion tendons of the of the calcaneus flexor digitorum and
the long longus m. nerves LL branches of the lumbar aa. lumbar rami of spinal aa. to bring it
in line with the long axis of the foot composed of muscles rectus femoris.
medial and lateral intermuscular septa rectus femoris straight head anterior inferior iliac
spine. intermedius and vastus medialis lateral circumflex femoral a. medial surface of ischial
tuberosity common tendon with biceps femoris m. abducts and the tibia pes laterally rotates
the anserinus thigh. rectus femoris is part of the quadriceps femoris muscle sartorius medial
surface of flexes. reflected head above the superior rim of the acetabulum anterior superior
iliac spine patella and tibial tuberosity via the patellar ligament extends the leg. perforating
branches of the deep femoral a. pes anserinus is the common insertion for the gracilis. its
actions put the lower limb in the traditional crosslegged seated position of a tailor
semimembranosus upper. saphenous a. outer surface of the ischial tuberosity
semitendinosus lower. tibia via pes flexes the leg anserinus tibial nerve . flexes the leg tibial
nerve perforating one of the quothamstringquot branches of muscles the deep femoral a..
sartorius means quottailorquot. medial condyle of the tibia extends the thigh. flexes leg
femoral nerve lateral femoral circumflex a. flexes femoral nerve the thigh femoral a. sartorius.
and semitendinosus mm. medial surface of extends the thigh.
soleus. and tibial a. gastrocnemius. are sometimes called the triceps surae muscle superior
gemellus obturator internus laterally rotates the tendon femur iliotibial tract flexes.
metatarsals plantar flexes the foot. inferior gluteal a. and plantaris mm. tibial nerve inverts the
foot fibular peroneal a. anterior superior iliac spine tibialis anterior lateral tibial condyle and
the upper lateral surface of the tibia superior gluteal superior nerve gluteal a. medial surface
of dorsiflexes and inverts deep fibular anterior the medial the foot peroneal nerve tibial a. .
and medially rotates the thigh nerve to the obturator internus m. tensor fasciae latae anterior
part of the iliac crest. abducts. posterolateral surface of the tibia tuberosity of the navicular
and medial cuneiform. cuneiform and the st metatarsal tibialis posterior interosseous
membrane. acts as both an antagonist dorsiflexion/plantar flexion and a synergist inversion
of the tibialis anterior m. posteromedial surface of the fibula. acts as both an antagonist
dorsiflexion/plantar flexion and a synergist inversion of the tibialis posterior m.soleus
posterior surface of head and upper shaft of the fibula. gemellus is a Latin word that means
quotlittle twinquot tensor fascia latae redirects the rotational forces of the gluteus maximus
m. soleal line of the tibia ischial spine dorsum of the plantar flexes the foot tibial nerve
calcaneus via the calcaneal Achilles tendon posterior tibial a.
vastus intermedius is part of the quadriceps femoris muscle patella and medial patellar
retinaculum extends leg femoral nerve lateral vastus lateralis is part femoral of the
quadriceps circumflex femoris muscle a.vastus intermedius anterior and lateral surface of the
femur vastus lateralis lateral intermuscular septum.. perforating branches of the deep femoral
a. lateral femoral circumflex a. lateral lip of the linea aspera and the gluteal tuberosity patella
extends the leg femoral nerve lateral femoral circumflex a. medial retinaculum lip of the linea
aspera extends leg femoral nerve . vastus medialis is part of the quadriceps femoris muscle
vastus medialis medial patella and intermuscular medial patellar septum.