Download UpperExtremityMuscleTable

Robert Frysztak, PhD.
Structure of the Human Body
Loyola University Chicago
Stritch School of Medicine
UPPER EXTREMITY MUSCLE TABLE
MUSCLE
PROXIMAL ATTACHMENT
(ORIGIN)
DISTAL ATTACHMENT
(INSERTION)
Flexor carpi radialis
Medial epicondyle of humerus
Flexor carpi ulnaris
Humeral head: medial epicondyle of
Pisiform bone, hook of hamate, base
Ulnar nerve
humerus Ulnar head: olecranon and
of 5th metacarpal
posterior border of ulna
Flexor digitorum profundus
Flexor digitorum superficialis
Flexor pollicis longus
Medial and anterior surface of
proximal 3/4 of ulna and
interosseous membrane
Humero‐ulnar head: medial
epicondyle of humerus and coronoid
process of ulna
Radial head: superior half of anterior
radius
Anterior surface of radius and
interosseous membrane
Palmaris longus
Medial epicondyle of humerus
Pronator quadratus
Distal fourth of anterior ulna
Pronator teres
Anconeus
Biceps brachii
Brachialis
Coracobrachialis
Triceps brachii
Abductor digiti minimi
Abductor pollicis brevis
Adductor pollicis
Dorsal interosseous muscles
Two heads: medial epicondyle of
humerus and coronoid process of
ulna
Posterior surface of lateral
epicondyle of humerus
Long head: supraglenoid tubercle of
scapula
Short head: tip of coracoid process of
scapula
Distal half of anterior surface of
humerus
Tip of coracoid process of scapula
Long head: infraglenoid tubercle of
scapula
Lateral head: upper half of posterior
humerus
Medial head: distal 2/3 of medial
and posterior humerus
Pisiform bone and tendon of flexor
carpi ulnaris
Flexor retinaculum, tubercles of
scaphoid and trapezium
Oblique head : bases of 2nd and 3rd
metacarpals and capitate and
adjacent bones
Transverse head: anterior surface of
3rd metacarpal
Adjacent sides of two metacarpal
bones
Base of 2nd metacarpal
INNERVATION
Palmar base of distal phalanges of
medial four digits
Median nerve
Medial part: ulnar nerve Lateral
part: median nerve
Bodies of middle phalanges of medial
Median nerve
four digits
Palmar base of distal phalanx of
thumb
Distal half of flexor retinaculum and
palmar aponeurosis
MAIN ACTIONS
MUSCLE GROUP
Flexes and abducts hand at wrist
Radial artery
Anterior forearm
Flexes and adducts hand at wrist
Posterior ulnar recurrent artery
Anterior forearm
Flexes distal phalanges of medial four
Anterior interosseous artery,
digits, assists with flexion of hand at
muscular branches of ulnar artery
wrist
Anterior forearm
Flexes middle and proximal
phalanges of medial four digits, flexes Ulnar and radial arteries
hand at wrist
Anterior forearm
Median nerve (anterior interosseous) Flexes phalanges of thumb
Median nerve
BLOOD SUPPLY
Flexes hand at wrist and tenses
palmar aponeurosis
Anterior interosseous artery
Anterior forearm
Posterior ulnar recurrent artery
Anterior forearm
Anterior interosseous artery
Anterior forearm
Distal fourth of anterior radius
Median nerve (anterior interosseous) Pronates forearm
Midway along lateral surface of
radius
Median nerve
Pronates forearm and assists with
elbow flexion
Anterior ulnar recurrent artery
Anterior forearm
Lateral surface of olecranon and
posterior proximal ulna
Radial nerve (C5–T1)
Assists triceps in extending elbow,
abducts ulna in pronation
Deep brachial artery
Arm
Radial tuberosity, fascia of forearm
via bicipital aponeurosis
Musculocutaneous nerve (C5,C6)
Flexes and supinates forearm at
elbow
Muscular branches of brachial artery Arm
Musculocutaneous nerve and radial
nerve (C7)
Flexes forearm at elbow
Radial recurrent artery, muscular
branches of brachial artery
Musculocutaneous nerve
Flexes and adducts arm at shoulder
Muscular branches of brachial artery Arm
Radial nerve
Extends forearm at elbow; long head
stabilizes head of abducted humerus
Branch of profunda brachii artery
and extends and adducts arm at
shoulder
Arm
Ulnar nerve (deep branch)
Abducts little finger
Deep palmar branch of ulnar artery
Hand
Median nerve (recurrent branch)
Abducts thumb
Superficial palmar branch of radial
artery
Hand
Ulnar nerve (deep branch)
Adducts thumb
Deep palmar arch
Hand
Abduct digits from axial line of hand
(3rd digit); flex digits at
Deep palmar arch
metacarpophalangeal joint and
extend interphalangeal joints
Hand
Coronoid process and tuberosity of
ulna
Middle third of medial surface of
humerus
Posterior surface of olecranon
process of ulna
Medial side of base of proximal
phalanx of little finger (5th digit)
Lateral side of base of proximal
phalanx of thumb
Medial side of base of proximal
phalanx of thumb
Base of proximal phalanges, extensor
Ulnar nerve (deep branch)
expansion of digits 2–4
Arm
07/16/2015
Robert Frysztak, PhD.
Structure of the Human Body
Loyola University Chicago
Stritch School of Medicine
MUSCLE
Flexor digiti minimi brevis
Flexor pollicis brevis
PROXIMAL ATTACHMENT
(ORIGIN)
Flexor retinaculum and hook of
hamate bone
Flexor retinaculum and tubercle of
trapezium
DISTAL ATTACHMENT
(INSERTION)
Medial side of base of proximal
phalanx of little finger
Lateral side of base of proximal
phalanx of thumb
INNERVATION
Deep palmar branch of ulnar artery
Hand
Median nerve (recurrent branch)
Flexes proximal phalanx of thumb
Superficial palmar branch of radial
artery
Hand
Superficial and deep palmar arches
Hand
Superficial and deep palmar arches
Hand
Deep palmar branch of ulnar artery
Hand
Superficial palmar branch of radial
artery
Hand
Deep palmar arch
Hand
Lateral sides of extensor expansion of
Median nerve (digital branches)
digits 2 and 3
Lumbrical, third and fourth
Medial three tendons of flexor
digitorum profundus
Lateral sides of extensor expansion of
Ulnar nerve (deep branch)
digits 4 and 5
Opponens pollicis
Palmar interosseous muscles
Palmaris brevis
Pectoralis major
Pectoralis minor
Abductor pollicis longus
Brachioradialis
Extensor carpi radialis brevis
Extensor carpi radialis longus
Extensor carpi ulnaris
Sides of metacarpals 2, 4, and 5
Palmar aponeurosis and flexor
retinaculum
Sternal half of clavicle, sternum to
7th rib, cartilages of true ribs,
aponeurosis of external oblique
muscle
Palmar surface of 5th metacarpal
Ulnar nerve (deep branch)
Lateral side of 1st metacarpal
Median nerve (recurrent branch)
Bases of proximal phalanx and
extensor expansion of digits 2, 4, and Ulnar nerve (deep branch)
5
Skin of medial border of palm
Superficial palmar branch of ulnar
nerve
Lateral lip of intertubercular sulcus of
Medial and lateral pectoral nerves
humerus
Outer surface of upper margin of ribs
Coracoid process of scapula
3–5
Posterior surface of ulna, radius, and
Base of 1st metacarpal
interosseous membrane
Proximal 2/3 of lateral supracondylar
Lateral side of distal end of radius
ridge of humerus
Dorsal base of 3rd metacarpal and
Lateral epicondyle of humerus
slip to 2nd metacarpal
Distal third of lateral supracondylar Dorsal base of 2nd metacarpal and
ridge of humerus
slip to 3rd metacarpal
Lateral epicondyle of humerus and
Dorsal base of 5th metacarpal
posterior border of ulna
Medial pectoral nerve
Radial nerve (posterior interosseous)
Radial nerve
Extend digits at interphalangeal
joints, flex metacarpophalangeal
joints
Extend digits at interphalangeal
joints, flex metacarpophalangeal
joints
Draws 5th metacarpal anteriorly and
rotates it to face thumb
Draws 1st metacarpal forward and
rotates it medially
Adducts digits toward axial line of
hand (3rd digit); flexes digits at
metacarpophalngeal joint and
extends interphalangeal joints
Deepens hollow of hand, assists grip Superficial palmar arch
Lowers lateral angle of scapula and
protracts scapula
Abducts and extends thumb at
carpometacarpal joint
Weak flexion of forearm when
forearm is midpronated
Radial artery, radial recurrent artery Posterior forearm
Radial nerve (posterior interosseous) Extends and adducts hand at wrist
Posterior interosseous artery
Posterior forearm
Posterior interosseous artery
Posterior forearm
Posterior interosseous artery
Posterior forearm
Posterior interosseous artery
Posterior forearm
Posterior interosseous artery
Posterior forearm
Posterior interosseous artery
Posterior forearm
Radial recurrent artery, posterior
interosseous arteries
Posterior forearm
Extensor expansions of medial four
digits
Extends medial four digits, assists in
wrist extension
Extends 2nd digit and helps extend
Radial nerve (posterior interosseous)
hand at wrist
Extends proximal phalanx of thumb
Radial nerve (posterior interosseous)
at carpometacarpal joint
Extends distal phalanx of thumb at
Radial nerve (posterior interosseous) interphalangeal and
metacarpophalangeal joints
Posterior surface of middle third of
ulna, interosseous membrane
Dorsal base of distal phalanx of
thumb
Supinator
Lateral epicondyle of humerus,
supinator crest of ulna
Lateral, posterior, and anterior
surfaces of proximal third of radius
Posterior forearm
Extends and abducts hand at wrist
Lateral epicondyle of humerus
Extensor pollicis longus
Radial recurrent artery
Radial nerve
Extensor digitorum
Dorsal base of proximal phalanx of
thumb
Posterior forearm
Radial artery, radial recurrent artery Posterior forearm
Radial nerve (posterior interosseous) Extends 5th digit
Extensor pollicis brevis
Posterior interosseous artery
Extends and abducts hand at wrist
Extensor expansion of 5th digit
Extensor expansion of 2nd digit
Pectoral branch of thoraco‐acromial
and intercostal lateral thoracic
Pectoral region/axilla
arteries
Radial nerve (deep branch)
Lateral epicondyle of humerus
Extensor indicis
Hand
Pectoral branch of thoraco‐acromial
Flexes and adducts arm, rotates arm
artery, perforating branches of
Pectoral region/ axilla
medially
internal thoracic artery
Extensor digiti minimi
Posterior surface of ulna and
interosseous membrane
Posterior surface of radius and
interosseous membrane
MUSCLE GROUP
Flexes proximal phalanx of little
finger
Lateral two tendons of flexor
digitorum profundus
Flexor retinaculum and hook of
hamate bone
Flexor retinaculum and tubercle of
trapezium
BLOOD SUPPLY
Ulnar nerve (deep branch)
Lumbrical, first and second
Opponens digiti minimi
MAIN ACTIONS
Radial nerve (posterior interosseous)
Radial nerve (deep branch)
Supinates forearm
07/16/2015
Robert Frysztak, PhD.
Structure of the Human Body
Loyola University Chicago
Stritch School of Medicine
MUSCLE
PROXIMAL ATTACHMENT
(ORIGIN)
DISTAL ATTACHMENT
(INSERTION)
INNERVATION
MAIN ACTIONS
BLOOD SUPPLY
MUSCLE GROUP
Deltoid
Lateral third of anterior clavicle,
lateral acromion, inferior edge of
spine of scapula
Deltoid tuberosity of humerus
Axillary nerve
Clavicular part : flexes and medially
rotates arm
Acromial part: abducts arm beyond
initial 15 degrees done by
supraspinatus Spinal part: extends
and laterally rotates arm
Infraspinatus
Infraspinous fossa of scapula and
deep fascia
Middle facet of greater tubercle of
humerus
Suprascapular nerve
Lateral rotation of arm (with teres
minor)
Suprascapular artery
Shoulder
Thoracodorsal nerve
Extends, adducts, and medially
rotates humerus at shoulder
Thoracodorsal artery, dorsal
perforating branches of 9th, 10th,
and 11th posterior intercostal,
subcostal, and first three lumbar
arteries
Shoulder
Long thoracic nerve
Protracts and rotates scapula and
holds it against thoracic wall
Lateral thoracic artery
Shoulder
Nerve to subclavius
Anchors and depresses clavicle
Clavicular branch of thoraco‐acromial
Shoulder
artery
Latissimus dorsi
Spinous processes of T7–L5
vertebrae, thoracolumbar fascia, iliac Intertubercular sulcus of humerus
crest, last 3 ribs
Serratus anterior
Lateral surfaces of upper 8–9 ribs
Subclavius
Upper border of 1st rib and its
cartilage
Subscapularis
Supraspinatus
Teres major
Teres minor
Levator scapulae
Rhomboid major
Rhomboid minor
Trapezius
Costal surface of medial border of
scapula
Inferior surface of middle third of
clavicle
Posterior circumflex humeral artery,
deltoid branch of thoraco‐acromial Shoulder
artery
Medially rotates arm at shoulder and
Subscapular artery, lateral thoracic
Upper and lower subscapular nerves adducts it, helps hold humeral head
artery
in glenoid cavity
Supraspinous fossa of scapula and
Initiates arm abduction, acts with
Superior facet of greater tubercle of
Suprascapular artery
Suprascapular nerve
rotator cuff muscles
deep fascia
humerus
Posterior surface of inferior angle of Medial lip of intertubercular sulcus of
Lower subscapular nerve
Adducts and medially rotates arm
Circumflex scapular artery
scapula
humerus
Inferior facet of greater tubercle of
Upper 2/3 of posterior surface of
Axillary nerve
Laterally rotates arm
Circumflex scapular artery
lateral border of scapula
humerus
Dorsal scapular artery, transverse
Posterior tubercles of transverse
Medial border of scapula from
Ventral rami of C3–C4 and dorsal
Elevates scapula medially, inferiorly
cervical artery, ascending cervical
processes of C1–C4
superior angle to spine
scapular nerve
rotates glenoid cavity
artery
Dorsal scapular OR deep branch of
transverse cervical artery, dorsal
Fixes scapula to thoracic wall and
Spinous processes of T2–T5
Medial border of scapula below base
perforating branches of the upper
Dorsal scapular nerve
retracts and rotates it to depress
vertebrae
of spine of scapula
glenoid cavity
five or six posterior intercostal
arteries artery
Dorsal scapular artery OR deep
branch of transverse cervical artery,
Fixes scapula to thoracic wall and
Ligamentum nuchae, spines of C7
Medial border of scapula at spine of
Dorsal scapular nerve
retracts and rotates it to depress
dorsal perforating branches of the
and T1 vertebrae
scapula
glenoid cavity
upper five or six posterior intercostal
arteries
Superior nuchal line, external
Transverse cervical artery, dorsal
Elevates, retracts, and rotates
Lateral third of clavicle, acromion,
occipital protuberance, nuchal
Accessory nerve (cranial nerve XI)
perforating branches of posterior
scapula; lower fibers depress scapula
and spine of scapula
ligament, spinous processes of
intercostal arteries
C7–T12
Subscapular fossa
Lesser tubercle of humerus
Shoulder
Shoulder
Shoulder
Shoulder
Superficial back
Superficial back
Superficial back
Superficial back
07/16/2015