Download muscles of the eye *origin *insertion *nerve supply *action Levator

muscles
of the eye
*origin
*insertion
*nerve supply
*action
Levator
palpebrae
X
Upper eyelid
sup. division of
oculomotor
elevation of the
upper eyelid
superior
rectus
X
X
sup division of
oculomotor
elevation ,
adduction
,inter-rotation
medial
rectus
X
X
inf. division of
oculomotor
adduction
inferior
rectus
X
X
inf. division of
oculomotor
depression
,adduction ,
outer-rotation
inferior
oblique
X
X
inf. division of
oculomotor
elevation
,abduction ,
outer-rotation
superior
oblique
X
X
trochlear
depression
,abduction
,inter-rotation
lateral
rectus
X
X
abducent
abduction
muscles of
mastication
origin
insertion
nerve supply
action
temporalis
floor of
temporal fossa
and deep
surface of
temporal fascia
coronoid
process and
anterior
boarder of
ramus of
mandible
anterior division
of mandible
(deep temporal
nerve )
elevation and
retraction of
mandible
masseter
lower boarder
and inner of
zaygomatic
arch
lateral aspect of anterior division
the ramus of
of mandible
the mandible
elevation and
protraction
muscles of
mastication
lateral
pterygoid
origin
upper
head :from
infratempral
surface of
greater wing of
sohnoid .
lower head :
lateral surface
of ptergoid
plate
medial
pterygoid
superfacial
head : maxilary
tuberosity
insertion
1>anterior
aspect of the
neck of the
mandible
nerve supply
action
anterior division
of mandible
depression and
protraction and
side to side
movement
( chewing )
main trunk of
the mandible
elevation and
protraction and
side to side
( chewing )
2>articular dick
of TMG
( tempral
mandibluar
joint )
medial surface
of the angle of
the mandible
deep head :
from medial
surface of
lateral
pterygoid plate
muscles of
infratemporal
origin
insertion
nerve supply
action
tensor palati
Base of the
skull
(cartilaginous
part)
Palatine
aponeurosis
main trunk of
the mandible
(nerve to
medial
pterygoid )
tension of the
soft palate
Levator palati
Base of the
skull
(cartilaginous
part)
Palatine
aponeurosis
pharyngeal
plexus
elevates of the
soft palate
muscles of
submandibula
r region
origin
insertion
nerve supply
action
Digastric
muscle
Psterior belly : from
the middle surface
of mastiod process
Anterior belly: lower
boarder of body of
mandible (digastric
fossa)
In the
intermediate
tendon.
posterior belly
facial nerve.
anterior belly
nerve to
mylohyoid
(mandibular
nerve)
depression of
the mandible
and elevation
of hyoid bone.
stylohyoid
muscle
styloid process
Junction between
the body and the
great horn of hyoid
bone
(Peirced by the
intermediate
tendon)
Facial nerve
Elevation of
the hyoid bone
Mylohyoid
Mylohyoid line
of the inner
surface of
mandible
Mylohyoid
raphe, upper
surface of
hyoid
Mandibular
nerve
1.support the
tongue and flour of
mouth
2.elevation of the
floor of mouth and
hyoid bone
3.depression of the
mandible
Hyoglussos
upper boarder
of greater horn
of hyoid
side of the
tounge
hypoglossal
nerve
depression of
the tongue
Geniohyoid
inferior mental
spines (genial
tubrecles)
anterior
surface of
body of hypid
hypoglossal
nerve
elevation and
protrusion of
hyoid bone
genioglossus
superior
mental spines
(genial
tubrecles)
Fanning to the
inferior surface
of the tongue
hypoglossal
nerve
protrusion of
the tongue
Styloglossus
styloid process
side of the
tounge
hypoglossal
nerve
draws the
tounge
upwards and
backwards
For the muscles of the tongue all the muscles have been mentioned above expect :
muscles of the
tongue
Palatoglossus
origin
Palatine
appeneurosis
insertion
side of the
tounge
nerve supply
pharyngeal
plexus
action
pulls the root of
the tounge
upwards and
backwards to
close the
oropharyngeal
isthmus
Muscles of the
pharynx
origin
superior
constrictor
posterior
boarder of
middle
petrygoid,
plate, humlus
and
petrygomandib
ular raphe and
posterior part of
mylohyoid line
middle
constrictor
lower part of
stylohyoid
ligament,
greater and
lesser horns of
hyoid
inferior
constrictor
Thyropharynge
us part,
cricopharyngeu
s part
Stylopharyngeu
s
Styloid process
of temporal
bone
Salpingopharyn
geus
lower aspect of
cartilegnous
part of the
auditory tube
Palatopharynge
us
Palatine
apponeurosis
insertion
to pharyngeal
tubracle in the
basilar part of
(the occipital
bone) and the
pharyngeal
raphe
nerve
supply
Pharyngeal
plexus
Posterior
Golossophar
boarder of
yngeal nerve
thyroid cartliage
and wall of
pharyngeal
pharynx
plexus
action
Superior and
middle constrict
together, and the
inferior relaxes
and vice versa.
Elevation of
pharynx during
swelling
1. Elevation of
pharynx during
swelling
2. Pulls the
palatopharynge
al arch medially
to close
pharyngeal
isthmus
All the muscles of the palate have been mentioned above expect:
Muscle of the
palate
Musculus
Uvulae
origin
Posterior nasal
spine and
palatine
aponeurosis
insertion
Mucous
membrane of
the uvula
nerve supply
Pharyngeal
plexus
action
Elevation of the
uvula
Extrinsic muscles :
Elevators :
Digastric, stylohyoid, mylohyoid, geniohyoid, stylopharyngeus,
salpingopharyngeus and palatopharyngeus.
Depressors:
Sternothyroid, sternohyoid, omohyoid muslces and elastic recoil of the trachea.
Muscles of the
larynx
(intrinsic)
Origin
insertion
nerve supply
action
Oblique
arytenoid
muscle
bacl of the
muscular
process of
arytenoid
the apex of the
opposite
arytenoid
cartilage
recurrent
laryngeal nerve
narrowing of
the laryngeal
inlet by bringing
the two
aryepiglottic
folds together
aryepiglottic
muscle
from apex of
arytenoid as
continuation of
the oblique
arytenoid
muscle
the side of
epiglottis
cartilage
recurrent
laryngeal nerve
narrowing of
the laryngeal
inlet by
shortening of
aryepiglottic
fold
Thyroepiglottic
muscle
inner surface of
the thyroid
cartilage
the side of the
epiglottis
cartilage
recurrent
laryngeal nerve
widening of the
laryngeal inlet
Lateral
cricoarytenoid
muscle
the upper
border of the
arch of cricoid
cartilage
the muscular
process of the
arytenoid
recurrent
laryngeal nerve
Adduction of
the vocal cords
by rotation of
the arytenoid
cartilage
Muscles of the
larynx
(intrinsic)
Origin
insertion
nerve supply
action
Transverse
arytenoid
muscle
back and
medial surface
of arytenoid
cartilage
the back and
medial surface
of the opposite
arytenoid
cartilage
recurrent
laryngeal nerve
Adduction of
the vocal cords
by
approximating
the arytenoid
cartilages
Posterior
cricoarytenoid
muscle
the posterior
surface of the
lamina of
cricoid cartilage
the muscular
process of the
arytenoid
recurrent
laryngeal nerve
Abduction of
the vocal cords
by rotating the
arytenoid
cartilage
Cricothryiod
muscle (only
muscle can be
seen on the
outside of
larynx)
outer aspect of
the arch of
cricoid cartilage
the inferior horn external
and lower
laryngeal nerve
border of the
thyroid cartilage
elongation and
tension of the
vocal cords
Thyroarytenoid
muscle
inner surface of
thyroid cartilage
lateral to the
cricothyroid
ligament
the anterolateral surface
of arytenoid
cartilage
recurrent
laryngeal nerve
shortening and
relaxation of
the vocal fold
Vocalis muscle
deep fibers of
thyroarytenoid
the vocal
process of
arytenoid
cartilage and
vocal ligament
recurrent
laryngeal nerve
shortening of
the relaxation
of the vocal fold