|
NAME
|
NERVE
|
ACTION
|
|
Head and Face
|
|
|
| Occipito-frontalis |
Posterior auricular,
small occipital, facial |
Moves scalp and
wrinkles forehead |
| Attollens aurem |
Occipitalis minor |
Raises ear |
| Attrahens aurem |
Facial |
Advances ear |
| Retrahens aurem |
Posterior auricular |
Retracts ear |
| Orbicularis palpebrarum |
Facial |
Closes eyelids |
| Corrugator supercilii |
Facial |
Draws eyebrows
down and in |
| Tensor tarsi |
Facial |
Compresses puncta
and lachrymal sac |
| Levator palpebrs
superior |
Third |
Raises upper
lid |
| Rectus superior
(eye) |
Third |
Rotates eyeball
upward |
| Rectus inferior
(eye) |
Third |
Rotates eyeball
downward |
| Rectus internus
(eye) |
Third |
Rotates eyeball
inward |
| Rectus externus
(eye) |
Sixth |
Rotates eyeball
outward |
| Obliquus superior
(eye) |
Fourth |
Rotates eyeball
down and out |
| Obliquus inferior
(eye) |
Third |
Rotates eyeball
up and out |
| Pyramidalis nasi |
Facial |
Depresses eyebrow |
| Levavator labii
superioris alseque nasi |
Facial |
Elevates upper
lip, dilates nostril. |
| Dilator naris
posterior |
Facial |
Dilates nostril |
| Dilator naris
anterior |
Facial |
Dilates nostril |
| Compressor nasi |
Facial |
Contracts nostril |
| Compressor narium
minor |
Facial |
Contracts nostril |
| Depressor alae
nast |
Facial |
Contracts nostril |
| Levator labii
superioris |
Facial |
Elevates upper
lip |
| Levator anguli
oris |
Facial |
Elevates angle
of mouth |
| Zygomaticus major |
Facial |
Draws upper lip
backward and upward |
| Zygomaticus minor |
Facial |
Draws upper lip
backward and up-ward |
| Levator labii
inferioris |
Facial |
Elevates lower
lip |
| Depressor labii
inferioris |
Facial |
Depresses lower
lip |
| Depressor anguli
oris |
Facial |
Depresses angle
of mouth |
| Buccinator |
Inferior maxillary |
Compresses cheeks |
| Risorius |
Facial |
Draws angle of
mouth outward |
| Orbicularis oris |
Facial |
Closes mouth |
| Masseter |
Inferior maxillary |
Mastication,
molars |
| Temporal |
Inferior maxillary |
Mastication,
incisors |
| Pterygoedus externus |
Inferior maxillary |
Moves lower jaw
forward |
| Pterygoidus internus |
Inferior maxillary |
Raises and advances
inferior maxillary |
|
Neck
|
|
|
| Platysma myoides |
Facial and superficial
cervical |
Wrinkles skin
and depresses mouth |
| Sterno-cleido-mastoid |
Spinal accessory
and cervical plexus |
Depresses and
rotates head |
| Sterno-hyoid |
Descendens and
communicans noni |
Depresses hyoid |
| Sterno-thyroid |
Descendens and
communicaus noni |
Depresses larynx |
| Thyro-hyoid |
Hypoglossal |
Elevates larynx |
| Omo-hyoid |
Descendens and
communicans noni |
Depresses and
retracts hyoid |
| Digastric |
Inferior dental
(facial) |
Elevates hyoid
and tongue |
| Stylo-hyoid |
Facial |
Elevates and
retracts hyoid |
| Mylo-hyiod |
Inferior dental |
Elevates and
advances hyoid, forms floor of mouth |
| Genio-hyoid |
Hypoglossal |
Elevates and
advances hyoid |
| Genio-hyo-glossus |
Hypoglossal |
Retracts and
protrudes tongue |
| Hyo-glossus |
Hypoglossal |
Depresses side
of tongue |
| Lingualis |
Chorda tympani |
Elevates center
of tongue |
| Stylo-glossus |
Hypoglossal |
Elevates and
retracts tongue |
| Palato-glossus |
Meckel's ganglion |
Draws base of
tongue upward |
| Constrictor inferior |
Glosso-pharyngeal,
pharyngeal plexus, and external and recurrent laryng'l. |
Contracts fauces |
| Constrictor medius |
Glosso-pharyngeal
and glosso-pharyngeal plexus |
Contracts fauces |
| Constrictor superior |
Glosso-pharyngeal
and pharyngeal plexus |
Contracts pharynx |
| Stylo-pharyngeus |
Glosso-pharyngeal
and pharyngeal plexus |
Elevates pharynx |
| Palato-pharyngeus |
Heckel's ganglion |
Closes posterior
nares |
| Levator palati |
Reckel's ganglion
(facial) |
Elevates soft
palate |
| Tensor palati |
Otic ganglion |
Renders palate
tense |
| Azygos uvulae |
Heckel's ganglion
(facial) |
Raises uvula |
| Rectus capitus
anticus major |
Cervical plexus |
Flexes neck backward |
| Rectus capitus
anticus minor |
Cervical plexus |
Flexes neck backward |
| Rectus lateralis |
Cervical plexus |
Moves head laterally |
| Longus colli |
Lower cervical |
Flexes cervical
spine |
| Scalenus anticus |
Lower cervical |
Flexes neck laterally |
| Scalenus medius |
Lower cervical |
Flexes neck laterally |
| Scalenus posticus |
Lower cervical. |
Flexes neck laterally |
|
Back
|
|
|
| Trapezius |
Spinal accessory
and cervical plexus |
Draws head backward
and elevates shoulders |
| Latissimus dorsi |
Subscapular |
Draws arm backward
and downward |
| Levator anguli
scapulae |
Third and fourth
cervical |
Elevates upper
angle of scapula |
| Rhomboideus minor |
Fifth cervical |
Retracts and
elevates scapula |
| Rhomboideus major |
Fifth cervical |
Elevates and
retracts scapula |
| Serratus posticus
superior |
Posterior branches
of cervical |
Raises ribs in
inspiration |
| Serratus posticus
inferior |
Posterior branches
of dorsal |
Depresses ribs
in expiration |
| Splenius capitus
et colli |
Posterior branches
of cervical |
Rotates head
and holds it erect |
| Splenius colli |
Posterior branches
of cervical |
Rotates head
and holds it erect |
| Erector spinae |
Lumbar and dorsal |
Holds spine erect |
| Sacro-lumbalis |
Branches of dorsal |
Erects trunk
and flexes it backward |
| Musculus accessorius
ad sacro-lumbalem |
Branches of dorsal |
Erects trunk
and flexes it backward |
| Longissimus dorsi |
Branches of lumbar
and dorsal |
Erects trunk
and flexes it backward |
| Spinalis dorsi |
Dorsal branches |
Erects spinal
column |
| Cervicalis ascendens |
Branches of cervical |
Holds head erect
and raises upper ribs |
| Tranaversalis
colli |
Branches of cervical |
Holds head erect |
| Trachelo-mastoid |
Branches of cervical |
Steadies head |
| Complexus |
Sub-occipital,
great occipital, and branches of cervical |
Retracts and
rotates head |
| Biventer cervicis |
(The same as
for complexus) |
Retracts and
rotates head |
| Semispinalis
dorsi |
Branches of dorsal |
Erects spinal
column |
| Semispinalis
colli |
Cervical branches |
Erects spinal
column |
| Multifidus spinae |
Posterior spinal
branches |
Erects and rotates
spinal column |
| Rotatores spinae |
Dorsal branches
of spine |
Rotate spinal
column |
| Supraspinales |
Posterior cervical |
Approximate spinous
processes |
| Interspinales |
Posterior cervical |
Approximate spinous
processes |
| Extensor coccygis |
Sacral branches |
Extends coccyx |
| Intertransversales |
Posterior spinal
nerves |
Approximate transverse
processes |
| Rectus capitis
posticus major |
Sub. occipital |
Rotates head |
| Rectus capitis
posticus minor |
Sub. occipital |
Draws head backward |
| Obliquus capitis
superior |
Sub. occipital |
Draws head backward |
| Obliquus capitis
inferior |
Sub. and great
occipital |
Rotates head |
|
Abdomen
|
|
|
| Obliquus externus |
Intercostal,
ilio-hypogastric, ilio-in-guinal |
Compresses viscera
and flexes thorax |
| Obliquus internus |
Intercostal,
ilio-hypogastric, ilio-in-guinal |
Compresses viscera
and flexes thorax |
| Transversalis |
Intercostal,
ilio-hypogastric, ilio-in-guinal |
Compresses viscera
and flexes thorax |
| Rectus abdominis |
Intercostal,
ilio-hypogastric, ilio-in-guinal |
Compresses viscera
and flexes thorax |
| Pyramidalis |
Ilio-hypogastric |
Renders linea
alba tense |
| Quadratus lumborum |
Lumbar |
Flexes thorax
laterally |
|
Thorax
|
|
|
| Intercostales
externi |
Intercostal |
Depress ribs
in expiration |
| Intercostales
interni |
Intercostal |
Raise ribs in
inspiration |
| Intracostales |
Intercostal |
Inspiration |
| Triangularis
sterni |
Intercostal |
Expiration |
| Levatores costarum |
Intercostal |
Raise ribs |
| Diaphragm |
Phrenic |
Inspiration |
|
Shoulder
|
|
|
| Pectoralls major |
Anterior thoracic |
Draws arm down
and forward |
| Pectoralis minor |
Anterior thoracic |
Depresses point
of shoulder |
| Subclavius |
Fifth and sixth
cervical |
Depresses shoulder |
| Serratus magnus |
Posterior thoracic |
Raises shoulder
and elevates ribs in inspiration |
| Deltoid |
Circumflex |
Raises arm |
| Subscapularis |
Subscapular |
Rotates humerus
inward |
| Supraspinatus |
Suprascapular |
Supports shoulder
joint, raises arm |
| Infraspinatus |
Suprascapular |
Rotates humerus
outward |
| Teres minor |
Circumflex |
Rotates humerus
outward |
| Teres major |
Subscapular |
Draws arm down
and back |
|
Arm
|
|
|
| Coraco-brachialis |
Musculo-cutaneous |
Draws arm forward
and inward |
| Biceps |
Musculo-cutaneous |
Flexes and supinates
forearm |
| Brachialis anticus |
Musculo-cutaneous,
musculo-spiral |
Flexes forearm |
| Triceps |
Musculo-spiral |
Extends forearm |
| Subaneoneus |
Musculo-spiral |
Tensor of posterior
ligament of elbow |
|
Forearm
|
|
|
| Pronator radii
teres |
Median |
Pronates hand |
| Flexor carpi
radialis |
Median |
Flexes wrist |
| Palmaris longus |
Median |
Tenses palmar
fascia |
| Flexor carpi
ulnaris |
Ulnar |
Flexes wrist |
| Flexor sublimus
digitorum |
Median |
Flexes second
phalanges |
| Flexor profundus
digitorum |
Ulnar and anterior
interosseus |
Flexes the phalanges |
| Flexor longus
pollicis |
Anterior interosseus |
Flexes last phalanx
of thumb |
| Pronator quadratus |
Anterior interosseus |
Pronates hand |
| Supinator longus |
Musculo-spiral |
Supinates hand |
| Extensor carpi
radialis longior |
Musoulo-spiral |
Extends wrist |
| Extensor carpi
radialis brevior |
Posterior interosseus |
Extends wrist |
| Extensor communis
digitorum |
Posterior Interosseus |
Extends fingers |
| Extensor minimi
digiti |
Posterior interosseus |
Extensor of little
finger |
| Extensor carpi
ulnaris |
Posterior interosseus |
Extends wrist |
| Anconeus |
Musculo-spiral |
Extends forearm |
| Supinator brevis |
Posterior interosseus |
Supinates hand |
| Extensor ossis
metacarpi pollicis |
Posterior interosseus |
Extends thumb |
| Extensor primi
internodii pollicis |
Posterior interosseus |
Extends thumb |
| Extensor secundi
internodii pollicis |
Posterior interosseus |
Extends thumb |
| Extensor indicis |
Posterior interosseus |
Extends index |
| Abductor pollicis |
Median |
Draws thumb from
median line |
| Flexor ossis
metacarpi pollicis (oppon). |
Median |
Flexes thumb |
| Flexor brevis
pollicis |
Median and ulnar |
Flexes thumb |
|
Hand
|
|
|
| Adductor pollicis |
Ulnar |
Draws thumb to
median line |
| Palmaris brevis |
Ulnar |
Corrugates skin
of palm |
| Abductor minimi
digiti |
Ulnar |
Abductor of little
finger |
| Flexor brevis
minimi digiti |
Ulnar |
Flexes little
finger |
| Flexor minimi
digiti (opponens) |
Ulnar |
Flexes little
finger |
| Lumbricales |
Median and ulnar |
Flexes first
phalanges and extend second and third |
| Interossel palmaris |
Ulnar |
Abduct fingers |
| Interossei dorsales |
Ulnar |
Abduct fingers,
flex first phalanges, and extend second and third |
|
Lower Extremity
|
|
|
| Psoas magnus |
Lumbar |
Flexes and rotates
thigh outward and flexes trunk on pelvis |
| Psoas parvus |
Lumbar |
Tensor of iliac
fascia |
| Iliacus |
Anterior crural |
Flexes femur
and rotates it outward |
|
Hip
|
|
|
| Gluteus maximus |
Small sciatic
and sacral plexus |
Extends and abducts
thigh and rotates it outward |
| Gluteus medius |
Superior gluteal |
Rotates outward
and inward, abducts, extends, and flexes thigh |
| Gluteus minimus |
Superior gluteal |
Rotates outward
and inward, abducts, extends, and flexes thigh |
| Pyriformis |
Sacral |
Rotates thigh
outward, abducts it, and tilts pelvis forward |
| Gemellus superior |
Sacral |
Rotates thigh
outward and abducts it |
| Obturator internus |
Sacral |
Rotates thigh
outward and tilts pelvis forward |
| Gemellus inferior |
Sacral |
Rotates thigh
outward and abducts it |
| Obturator externus |
Obturator |
Rotates thigh
outward and tilts pelvis forward |
| Quadratus fernoris. |
Sacral |
Abducts thigh
and rotates it outward |
| Biceps |
Great sciatic |
Flexes leg and
rotates it outward |
| Semitendinosus |
Great sciatic |
Flexes leg on
thigh, and rotates it in-ward |
| Semimembranosus |
Great sciatic |
Flexes leg and
rotates it inward |
|
Thigh
|
|
|
| Tensor vaginae
femoris |
Superior gluteal |
Tensor of fascia
lata |
| Sartorius |
Anterior crural |
Flexes thigh
and rotates it outward |
| Rectus femoris |
Anterior crural |
Extends leg |
| Vastus externus |
Anterior crural |
Extends leg |
| Vastus internus |
Anterior crural |
Extends leg |
| Crureus |
Anterior crural |
Extends leg |
| Quadriceps
extensor (includes four preceding muscles) |
|
| Subcrureus |
Anterior crural |
Acts with crureus |
| Gracilis |
Obturator |
Flexes and adducts
thigh and rotates it outward |
| Pectineus |
Anterior crural,
obturator |
Flexes and adducts
thigh and rotates it outward |
| Adductor longus |
Obturator |
Adducts and flexes
thigh |
| Adductor brevis |
Obturator |
Adducts and flexes
thigh |
| Adductor magnus |
Obturator and
great sciatic |
Adducts thigh
and rotates it outward |
|
Leg
|
|
|
| Tibialis anticus |
Anterior tibial |
Flexes ankle
aand elevates inner border of foot |
| Extensor longus
digitorum |
Anterior tibial |
Extends toes
and flexes ankle |
| Extensor proprius
pollicis |
Anterior tibial |
Extends toes
and flexes ankle |
| Peroneus tertius |
Anterior tibial |
Flexes tarsus
and raises outer border of foot |
| Gastrocnemius |
Internal popliteal |
Extends foot |
| Plantaris |
Internal popliteal |
Tenses plantar
fascia |
| Soleus |
Internal popliteal |
Extends foot |
| Popliteus |
Internal popliteal |
Flexes leg and
rotates it inward |
| Flexor longus
pollicis |
Posterior tibial |
Flexes great
toe |
| Flexor longus
digitorum |
Posterior tibial |
Flexes phalanges
and extends foot |
| Tibialis posticus |
Posterior tibial |
Extends ankle
and turns sole inward |
| Peroneus longus |
Musculo-cutaneous |
Extends and everts
foot |
| Peroneus brevis |
Musculo-cutaneous |
Extends foot |
|
Foot
|
|
|
| Extensor brevis
digitorum |
Anterior tibial |
Extends toes |
| Abductor pollicis |
Internal plantar |
Abducts great
toe, flexes first phalanx, and extends second |
| Flexor brevis
digitorum |
Internal plantar |
Flexes lesser
toes |
| Abductor minimi
digiti |
External plantar |
Abducts little
toe |
| Flexor accessorius |
External plantar |
Accessory flexor
of toes |
| Lumbricales |
Internal and
external plantar |
Flex first phalanges
and extend last two |
| Flexor brevis
pollicis |
Internal plantar |
Flexes first
phalanx of great toe and extends second |
| Adductor pollicis |
External plantar |
Adducts great
toe and extends first and second phalanx |
| Flexor brevis
minimi digiti |
External plantar |
Flexes first
phalanx of little toe and extends second |
| Transversus pedis |
External plantar |
Adducts great
toe |
| Interossei dorsal |
External plantar |
Abduct toes |
| Interossei |
External plantar |
Adduct toes |