4. Anatomy: Muscles

Muscles  

Common Name*  

TA Term  

Origin*  

Insertion*  

Innervation  

Action  

abductor m. of great toe  

m. abductor hallucis  

medial tubercle of calcaneus, plantar fascia  

medial site of base of proximal phalanx of great toe  

medial plantar  

abducts, flexes great toe  

abductor m. of little finger  

m. abductor digiti minimi manus  

pisiform bone, tendon of ulnar flexor m. of wrist  

medial side of base of proximal phalanx of little finger  

ulnar  

abducts little finger  

abductor m. of little toe  

m. abductor digiti minimi pedis  

medial and lateral tubercle of calcaneus, plantar fascia  

lateral side of base of proximal phalanx of little toe  

lateral plantar  

abducts little toe  

abductor m. of thumb, long  

m. abductor pollicis longus  

posterior surfaces of radius and ulna  

lateral side of bone of first metacarpal bone and trapezium  

posterior interosseous  

abducts, extends thumb  

abductor m. of thumb, short  

m. abductor pollicis brevis  

tubercles of scaphoid and trapezium, flexor retinaculum of hand  

lateral side of base of proximal phalanx of thumb  

median  

abducts thumb  

adductor m., great  

m. adductor magnus  

deep part—inferior ramus of pubis, ramus of ischium; superficial part—ischial tuberosity  

deep part—linea aspera of femur; superficial part—adductor tubercle of femur  

deep part—obturator; superficial part—sciatic  

deep part—adducts thigh; superficial part—extends thigh  

adductor m. of great toe  

m. adductor hallucis  

oblique head—long plantar ligament; transverse head—plantar ligaments  

lateral side of proximal phalanx of great toe  

lateral plantar  

flexes, adducts great toe  

adductor m., long  

m. adductor longus  

body of pubis  

linea aspera of femur  

obturator  

adducts, rotates, flexes thigh  

adductor m., short  

m. adductor brevis  

body and inferior ramus of pubis  

upper part of linea aspera of femur  

obturator  

adducts, rotates, flexes thigh  

adductor m., smallest  

m. adductor minimus  

a name given to the anterior portion of the great adductor m.  

ischium, body, and ramus of pubis  

obturator, sciatic  

adducts thigh  

adductor m. of thumb  

m. adductor pollicis  

oblique head—second metacarpal, capitate, and trapezoid; transverse head—front of third metacarpal  

medial side of base of proximal phalanx of thumb  

ulnar  

adducts, opposes thumb  

anconeus m.  

m. anconeus  

back of lateral epicondyle of humerus  

olecranon and posterior surface of ulna  

radial  

extends forearm  

antitragus m.  

m. antitragicus  

outer part of antitragus  

caudate process of helix and anthelix  

temporal, posterior auricular branches of facial  

 

arrector m. of hair  

m. arrector pili  

dermis  

hair follicle  

sympathetic  

elevate hairs of skin  

articular m. of elbow  

m. articularis cubiti  

a name applied to a few fibers of the deep surface of the triceps m. of arm that insert into the posterior ligament and synovial membrane of the elbow joint  

 

 

articular m. of knee  

m. articularis genus  

front of lower part of femur  

upper part of capsule of knee joint  

femoral  

raises capsule of knee joint  

aryepiglottic m.  

pars aryepiglottica musculi arytenoidei obliqui  

a name applied to inconstant fibers of oblique arytenoid m., from apex of arytenoid cartilage to lateral margin of epiglottis  

 

 

arytenoid m., oblique  

m. arytenoideus obliquus  

muscular process of arytenoid cartilage  

apex of opposite arytenoid cartilage  

recurrent laryngeal  

closes inlet of larynx  

arytenoid m., transverse  

m. arytenoideus transversus  

medial surface of arytenoid cartilage  

medial surface of opposite arytenoid cartilage  

recurrent laryngeal  

approximates arytenoid cartilage  

auricular m., anterior  

m. auricularis anterior  

superficial temporal fascia  

cartilage of ear  

facial  

draws auricle forward  

auricular m., oblique  

m. obliquus auriculae  

cranial surface of concha  

cranial surface of auricle above concha  

posterior auricular, temporal  

 

auricular m., posterior  

m. auricularis posterior  

mastoid process  

cartilage of ear  

facial  

draws auricle backward  

auricular m., superior  

m. auricularis superior  

galea aponeurotica  

cartilage of ear  

facial  

raises auricle  

biceps m. of arm  

m. biceps brachii  

long head—supraglenoid tubercle of scapula; short head—apex of coracoid process   

tuberosity of radius, antebrachial fascia, ulna  

musculocutaneous  

flexes, supinates forearm  

biceps m. of thigh  

m. biceps femoris  

long head—ischial tuberosity; short head—linea aspera of femur  

head of fibula, lateral condyle of tibia  

long head—tibial; short head—peroneal, popliteal  

flexor, rotates leg laterally, extends thigh  

brachial m.  

m. brachialis  

anterior aspect of humerus  

coronoid process of ulna  

musculocutaneous, radial  

flexes forearm  

brachioradial m.  

m. brachioradialis  

lateral supracondylar ridge of humerus  

lateral surface of lower end of radius  

radial  

flexes forearm  

bronchoesophageal m.  

m. bronchooesophageus  

a name applied to muscle fibers arising from wall of left bronchus, reinforcing musculature of esophagus  

 

 

buccinator m.  

m. buccinator  

buccinator ridge of mandible, alveolar processes of maxilla, pterygomandibular ligament  

orbicular m. of mouth at angle of mouth  

buccal branch of facial  

compresses cheek and retracts angle of mouth  

bulbocavernous m.  

m. bulbocavernosus, m. bulbospongiosus  

tendinous center of perineum, median, raphe of bulb  

fascia of penis or clitoris  

pudendal  

constricts urethra in male, vagina in female  

canine m. See levator m. of angle of mouth  

 

 

 

 

 

ceratocricoid m.  

m. ceratocricoideus  

a name applied to muscle fibers from cricoid cartilage to inferior horn of thyroid cartilage  

 

 

chin m.  

m. mentalis  

incisive fossa of mandible  

skin of chin  

facial  

wrinkles skin of chin  

chondroglossus m.  

m. chondroglossus  

lesser horn and body of hyoid bone  

substance of tongue  

hypoglossal  

depresses, retracts tongue  

ciliary m.  

m. ciliaris  

longitudinal division (Brücke's m's)—junction of cornea and sclera; circular division (Müller's m.)—sphincter of ciliary body  

outer layer of choroid and ciliary processes  

short ciliary  

makes lens more convex in visual accommodation  

coccygeus m.  

m. coccygeus  

ischial spine  

lateral border of lower part of sacrum, coccyx  

third and fourth sacral  

supports and raises coccyx  

constrictor m. of pharynx, inferior  

m. constrictor pharyngis inferior  

undersurfaces of cricoid and thyroid cartilages  

median raphe of posterior wall of pharynx  

glossopharyngeal, pharyngeal plexus, external branch of superior laryngeal and recurrent laryngeal  

constricts pharynx  

constrictor m. of pharynx, middle  

m. constrictor pharyngis medius  

horns of hyoid bone, stylohyoid ligament  

median raphe of posterior wall of pharynx  

pharyngeal plexus of vagus, glossopharyngeal  

constricts pharynx  

constrictor m. of pharynx, superior  

m. constrictor pharyngis superior  

pterygoid plate, pterygomandibular raphe, mylohyoid ridge of mandible, mucous membrane of floor of mouth  

median raphe of posterior wall of pharynx  

pharyngeal plexus of vagus  

constricts pharynx  

coracobrachial m.  

m. coracobrachialis  

coracoid process of scapula  

medial surface of shaft of humerus  

musculocutaneous  

flexes, adducts arm  

corrugator m., superciliary  

m. corrugator supercilii  

medial end of superciliary arch  

skin of eyebrow  

facial  

draws eyebrow downward and medially  

cremaster m.  

m. cremaster  

inferior margin of internal oblique m. of abdomen  

pubic tubercle  

genital branch of genitofemoral  

elevates testis  

cricoarytenoid m., lateral  

m. cricoarytenoideus lateralis  

lateral surface of cricoid cartilage  

muscular process of arytenoid cartilage  

recurrent laryngeal  

approximates vocal folds  

cricoarytenoid m., posterior  

m. cricoarytenoideus posterior  

back of lamina of cricoid cartilage  

muscular process of arytenoid cartilage  

recurrent laryngeal  

separates vocal folds  

cricothyroid m.  

m. cricothyroideus  

front and side of cricoid cartilage  

lamina and inferior horn of thyroid cartilage  

external branch of superior laryngeal  

tenses vocal folds  

deltoid m.  

m. deltoideus  

clavicle, acromion, spine of scapula  

deltoid tuberosity of humerus  

axillary  

abducts, flexes, or extends arm  

depressor m. of angle of mouth  

m. depressor anguli oris  

lateral border of mandible  

angle of mouth  

facial  

pulls down angle of mouth  

depressor m. of lower lip  

m. depressor labii inferioris  

anterior surface of lower border of mandible  

orbicular m. of mouth and skin of lower lip  

facial  

depresses lower lip  

depressor m. of septum of nose  

m. depressor septi nasi  

incisive fossa of maxilla  

ala and septum of nose  

facial  

constricts nostril and depresses ala  

depressor m., superciliary  

m. depressor supercilii  

a name applied to a few fibers of orbital part of orbicular m. of eye that are inserted into the eyebrow, which they depress  

 

 

detrusor m. of bladder  

m. detrusor vesicae  

bundles of smooth muscle fibers forming the muscular coat of the urinary bladder, which are arranged in a longitudinal and a circular layer and on contraction serve to expel urine  

 

 

detrusor urinae. See detrusor m. of bladder  

 

 

 

 

 

diaphragm  

diaphragma  

back of xiphoid process, inner surfaces of lower 6 costal cartilages and lower 4 ribs, medial and lateral arcuate ligaments, bodies of upper lumbar vertebrae  

central tendon of diaphragm  

phrenic  

increases volume of thorax in inspiration  

digastric m.  

m. digastricus  

anterior belly—digastric fossa on lower border of mandible near symphysis; posterior belly—mastoid notch of temporal bone  

intermediate tendon on hyoid bone  

anterior belly—mylohyoid branch of inferior alveolar; posterior belly—digastric branch of facial  

elevates hyoid bone, lowers jaw  

dilator m. of pupil  

m. dilatator pupillae  

a name applied to fibers extending radially from sphincter of pupil to ciliary margin  

sympathetic   

dilates iris  

epicranial m.  

m. epicranius  

a name applied to muscular covering of scalp, including occipitofrontal and temporoparietal m's and galea aponeurotica  

 

 

erector m. of spine  

m. erector spinae  

a name applied to fibers of the more superficial of deep muscles of back, originating from sacrum, spines of lumbar and eleventh and twelfth thoracic vertebrae, and iliac crest, which split and insert as iliocostal, longissimus, and spinal m's  

 

 

extensor m. of fingers  

m. extensor digitorum  

lateral epicondyle of humerus  

extensor expansion of 4 medial fingers  

posterior interosseous  

extends wrist joint and phalanges  

extensor m. of great toe, long  

m. extensor hallucis longus  

front of fibula, interosseous membrane  

base of distal phalanx of great toe  

deep peroneal  

extends great toe, dorsiflexes ankle joint  

extensor m. of great toe, short  

m. extensor hallucis brevis  

a name applied to portion of short extensor m. of toes that goes to great toe  

 

 

extensor m. of index finger  

m. extensor indicis  

posterior surface of ulna, interosseous membrane  

extensor expansion of index finger  

posterior interosseous  

extends index finger  

extensor m. of little finger  

m. extensor digiti minimi  

lateral epicondyle of humerus  

extensor aponeurosis of little finger  

deep branch of radial  

extends little finger  

extensor m. of thumb, long  

m. extensor pollicis longus  

posterior surface of ulna and interosseous membrane  

back of distal phalanx of thumb  

posterior interosseous  

extends, adducts thumb  

extensor m. of thumb, short  

m. extensor pollicis brevis  

posterior surface of radius  

back of proximal phalanx of thumb  

posterior interosseous  

extends thumb  

extensor m. of toes, long  

m. extensor digitorum longus  

anterior surface of fibula, lateral condyle of tibia, interosseous membrane  

extensor expansion of 4 lateral toes  

deep peroneal  

extends toes  

extensor m. of toes, short  

m. extensor digitorum brevis  

upper surface of calcaneus  

extensor tendons of first, second, third, fourth toes  

deep peroneal  

extends toes  

extensor m. of wrist, radial, long  

m. extensor carpi radialis longus  

lateral supracondylar ridge of humerus  

back of base of second metacarpal bone  

radial  

extends, abducts wrist joint  

extensor m. of wrist, radial short  

m. extensor carpi radialis brevis  

lateral epicondyle of humerus  

back of bases of second and third metacarpal bones  

radial or its deep branch  

extends, abducts wrist joint  

extensor m. of wrist, ulnar  

m. extensor carpi ulnaris  

humeral head—lateral epicondyle of humerus; ulnar head—posterior border of ulna  

base of fifth metacarpal bone  

deep branch of radial  

extends, abducts wrist joint  

fibular m. See peroneal m.  

 

 

 

 

 

flexor m. of fingers, deep  

m. flexor digitorum profundus  

shaft of ulna, coronoid process, interosseous membrane  

bases of distal phalanges of 4 medial fingers  

anterior interosseous, ulnar  

flexes distal phalanges  

flexor m. of fingers, superficial  

m. flexor digitorum superficialis  

humeroulnar head—medial epicondyle of humerus, coronoid process of ulna; radial head—anterior border of radius  

sides of middle phalanges of 4 medial fingers  

median  

flexes middle phalanges  

flexor m. of great toe, long  

m. flexor hallucis longus  

posterior surface of fibula  

base of distal phalanx of great toe  

tibial  

flexes great toe  

flexor m. of great toe, short  

m. flexor hallucis brevis  

undersurface of cuboid, lateral cuneiform  

both sides of base of proximal phalanx of great toe  

medial plantar  

flexes great toe  

flexor m. of little finger, short  

m. flexor digiti minimi brevis manus  

hook of hamate bone, transverse carpal ligament  

medial side of proximal phalanx of little finger  

ulnar  

flexes little finger  

flexor m. of little toe, short  

m. flexor digiti minimi brevis pedis  

sheath of long peroneal muscle  

lateral surface of base of proximal phalanx of little toe  

lateral plantar  

flexes little toe  

flexor m. of thumb, long  

m. flexor pollicis longus  

anterior surface of radius, medial epicondyle of humerus, coronoid process of ulna  

base of distal phalanx of thumb  

anterior interosseous  

flexes thumb  

flexor m. of thumb, short  

m. flexor pollicis brevis  

tubercle of trapezium, flexor retinaculum  

lateral side of base of proximal phalanx of thumb  

median, ulnar  

flexes, adducts thumb  

flexor m. of toes, long  

m. flexor digitorum longus pedis  

posterior surface of shaft of tibia  

distal phalanges of 4 lateral toes  

tibial  

flexes toes, extends foot  

flexor m. of toes, short  

m. flexor digitorum brevis pedis  

medial tuberosity of calcaneus, plantar fascia  

middle phalanges of 4 lateral toes  

medial plantar  

flexes toes  

flexor m. of wrist, radial  

m. flexor carpi radialis  

medial epicondyle of humerus  

bases of second and third metacarpal bones  

median  

flexes, abducts wrist joint  

flexor m. of wrist, ulnar  

m. flexor carpi ulnaris  

humeral head—medial epicondyle of humerus; ulnar head—olecranon and posterior border of ulna  

pisiform bone, hook of hamate bone, base of fifth metacarpal bone  

ulnar  

flexes, adducts wrist joint  

gastrocnemius m.  

m. gastrocnemius  

medial head—popliteal surface of femur, upper part of medial condyle, capsule of knee; lateral head—lateral condyle, capsule of knee  

aponeurosis unites with tendon of soleus to form Achilles tendon  

tibial  

plantar flexes foot, flexes knee joint  

gemellus m., inferior  

m. gemellus inferior  

tuberosity of ischium  

internal obturator tendon  

nerve to quadrate m. of thigh  

rotates thigh laterally  

gemellus m., superior  

m. gemellus superior  

spine of ischium  

internal obturator tendon  

nerve to internal obturator  

rotates thigh laterally  

genioglossus m.  

m. genioglossus  

superior genial tubercle  

hyoid bone, undersurface of tongue  

hypoglossal  

protrudes, depresses tongue  

geniohyoid m.  

m. geniohyoideus  

inferior genial tubercle  

body of hyoid bone  

a branch of first cervical nerve through hypoglossal  

draws hyoid bone forward  

glossopalatine m. See palatoglossus m.  

 

 

 

 

 

gluteus maximus m. (gluteal m., greatest)  

m. gluteus maximus  

dorsal aspect of ilium, dorsal surfaces of sacrum, coccyx, sacrotuberous ligament  

iliotibial tract of fascia lata, gluteal tuberosity of femur  

inferior gluteal  

extends, abducts, rotates thigh laterally  

gluteus medius m. (gluteal m., middle)  

m. gluteus medius  

dorsal aspect of ilium between anterior and posterior gluteal lines  

greater trochanter of femur  

superior gluteal  

abducts, rotates thigh medially  

gluteus minimus m. (gluteal m., least)  

m. gluteus minimus  

dorsal aspect of ilium between anterior and posterior gluteal lines  

greater trochanter of femur  

superior gluteal  

abducts, rotates thigh medially  

gracilis m.  

m. gracilis  

body and inferior ramus of pubis  

medial surface of shaft of tibia  

obturator  

adducts thigh, flexes knee joint  

m. of helix, greater  

m. helicis major  

spine of helix  

anterior border of helix  

auriculotemporal, posterior auricular  

tenses skin of acoustic meatus  

m. of helix, smaller  

m. helicis minor  

anterior rim of helix  

concha  

temporal, posterior auricular  

 

hyoglossus m.  

m. hyoglossus  

body and greater horn of hyoid bone  

side of tongue  

hypoglossal  

depresses, retracts tongue  

iliac m.  

m. iliacus  

iliac fossa, ala of sacrum  

greater psoas tendon, lesser trochanter of femur  

femoral  

flexes thigh, trunk on limb  

iliococcygeus m.  

m. iliococcygeus  

a name applied to posterior portion of levator ani m., including fibers originating as far forward as obturator canal, and inserting on side of coccyx and in anococcygeal ligaments  

 

 

iliocostal m.  

m. iliocostalis  

a name applied to lateral division of erector m. of spine  

 

 

iliocostal m. of loins  

m. iliocostalis lumborum  

iliac crest  

angles of lower 6 or 7 ribs  

thoracic and lumbar  

extends lumbar spine  

iliocostal m. of neck  

m. iliocostalis cervicis  

angles of third, fourth, fifth, and sixth ribs  

transverse processes of lower fourth, fifth, and sixth cervical vertebrae  

cervical  

extends cervical spine  

iliocostal m. of thorax  

m. iliocostalis thoracis  

upper borders of angles of 6 lower ribs  

angles of upper ribs and transverse process of seventh cervical vertebra  

thoracic  

keeps thoracic spine erect  

iliopsoas m.  

m. iliopsoas  

a name applied collectively to iliac and greater psoas m's  

 

 

incisive m's of inferior lip  

musculi incisivi labii inferioris  

incisive fossae of mandible  

angle of mouth  

facial  

make vestibule of mouth shallow  

incisive m's of superior lip  

musculi incisivi labii superioris  

incisive fossae of maxilla  

angle of mouth  

facial  

make vestibule of mouth shallow  

infraspinous m.  

m. infraspinatus  

infraspinous fossa of scapula  

greater tubercle of humerus  

suprascapular  

rotates arm laterally  

intercostal m's, external  

mm. intercostales externi  

inferior border of rib  

superior border of rib below  

intercostal  

elevate ribs in inspiration  

intercostal m's, innermost  

mm. intercostales intimi  

a name applied to the layer of muscle fibers separated from the internal intercostal m's by the intercostal nerves and vessels  

 

 

intercostal m's, internal  

mm. intercostales interni  

inferior border of rib and costal cartilage  

superior border of rib and costal cartilage below  

intercostal  

act on ribs in expiration  

interosseous m's of foot, dorsal  

mm. interossei dorsales pedis  

sides of adjacent metatarsal bones  

base of proximal phalanges of second, third, and fourth toes  

lateral plantar  

flex, abduct toes  

interosseous m's of hand, dorsal  

mm. interossei dorsales manus  

each by two heads from adjacent sides of metacarpal bones  

extensor tendons of second, third, and fourth fingers  

ulnar  

abduct, flex proximal, extend middle and distal phalanges  

interosseous m's, palmar  

mm. interossei palmares  

sides of first, second, fourth, and fifth metacarpal bones  

extensor tendons of first, second, fourth, and fifth fingers  

ulnar  

adduct, flex proximal, extend middle and distal phalanges  

interosseous m's, plantar  

mm. interossei plantares  

medial side of third, fourth, and fifth metatarsal bones  

medial side of base of proximal phalanges of third, fourth, and fifth toes  

lateral plantar  

flex, abduct toes  

interspinal m's  

mm. interspinales  

a name applied to short bands of muscle fibers extending on each side between spinous processes of contiguous vertebrae  

spinal  

extend vertebral column  

interspinal m's of loins  

mm. interspinales lumborum  

extend between contiguous lumbar vertebrae  

spinal  

extend vertebral column  

interspinal m's of head  

mm. interspinales cervicis  

extend between contiguous cervical vertebrae  

spinal  

extend vertebral column  

interspinal m's of thorax  

mm. interspinales thoracis  

extend between contiguous thoracic vertebrae  

spinal  

extend vertebral column  

intertransverse m's  

mm. intertransversarii  

a name applied to small muscles passing between transverse processes of adjacent vertebrae  

spinal  

bend vertebral column laterally  

ischiocavernous m.  

m. ischiocavernosus  

ramus of ischium  

crus of penis or clitoris  

perineal branches of pudendal  

maintains erection of penis or clitoris  

latissimus dorsi m.  

m. latissimus dorsi  

spines of lower thoracic vertebrae, spines of lumbar and sacral vertebrae through attachment to thoracolumbar fascia, iliac crest, lower ribs, inferior angle of scapula  

floor or intertubercular groove of humerus  

thoracodorsal  

adducts, extends, rotates humerus medially  

levator m. of angle of mouth  

m. levator anguli oris  

canine fossa of maxilla  

orbicular m. of mouth, skin at angle of mouth  

facial  

raises angle of mouth  

levator ani m.  

m. levator ani  

a name applied collectively to important muscular components of pelvic diaphragm, arising mainly from back of body of pubis and running backward toward coccyx; includes pubococcygeus (levator m. of prostate in male and pubovaginal in female), puborectal, and iliococcygeus m's  

third and fourth sacral  

helps support pelvic viscera and resist increases in intraabdominal pressure  

levator m. of palatine velum  

m. levator veli palatini  

apex of pars petrosa of temporal bone and cartilage of auditory tube  

aponeurosis of soft palate  

pharyngeal plexus  

raises and draws back soft palate  

levator m. of prostate  

m. levator prostatae  

a name applied to part of anterior portion of pubococcygeus m., which in male is inserted into prostate and tendinous center of perineum  

sacral, pudendal  

supports, compresses prostate, helps control micturition  

levator m's of ribs  

mm. levatores costarum  

transverse processes of seventh cervical and first 11 thoracic vertebrae  

medial to angle of rib below  

intercostal  

aid elevation of ribs in respiration  

levator m. of scapula  

m. levator scapulae  

transverse processes of 4 upper cervical vertebrae  

vertebral border of scapula  

third and fourth cervical  

raises scapula  

levator m. of thyroid gland  

m. levator glandulae thyroideae  

isthmus or pyramidal lobule of thyroid gland  

body of hyoid bone  

external branch of superior laryngeal  

 

levator m. of upper eyelid  

m. levator palpebrae superioris  

sphenoid bone above optic foramen  

skin and tarsal plate of upper eyelid  

oculomotor  

raises upper eyelid  

levator m. of upper lip  

m. levator labii superioris  

lower margin of orbit  

musculature of upper lip  

facial  

raises upper lip  

levator m. of upper lip and ala of nose  

m. levator labii superioris alaeque nasi  

frontal process of maxilla  

skin and cartilage of ala of nose, upper lip  

infraorbital branch of facial  

raises upper lip, dilates nostril  

long m. of head  

m. longus capitis  

transverse processes of third to sixth cervical vertebrae  

basilar portion of occipital bone  

cervical  

flexes head  

long m. of neck  

m. longus cervicis  

superior oblique portion—transverse processes of third to fifth cervical vertebrae; inferior oblique portion—bodies of first to third thoracic vertebrae; vertical portion—bodies of 3 upper thoracic and 3 lower cervical vertebrae  

superior oblique portion—tubercle of anterior arch of atlas; inferior oblique portion—transverse processes of fifth and sixth cervical vertebrae; vertical portion—bodies of second to fourth cervical vertebrae  

anterior cervical  

flexes, supports cervical vertebrae  

longissimus m. of head  

m. longissimus capitis  

transverse processes of 4 or 5 upper thoracic vertebrae, articular processes of 3 or 4 lower cervical vertebrae  

mastoid process of temporal bone  

cervical  

draws head backward, rotates head  

longissimus m. of neck  

m. longissimus cervicis  

transverse processes of 4 or 5 upper thoracic vertebrae  

transverse processes of second or third to sixth cervical vertebrae  

lower cervical and upper thoracic  

extends cervical vertebrae  

longissimus m. of thorax  

m. longissimus thoracis  

transverse and articular processes of lumbar vertebrae and thoracolumbar fascia  

transverse processes of all thoracic vertebrae, 9 or 10 lower ribs  

lumbar and thoracic  

extends thoracic vertebrae  

longitudinal m. of tongue, inferior  

m. longitudinalis inferior linguae  

undersurface of tongue at base  

tip of tongue  

hypoglossal  

changes shape of tongue in mastication and deglutition  

longitudinal m. of tongue, superior  

m. longitudinalis superior linguae  

submucosa and septum of tongue  

margins of tongue  

hypoglossal  

changes shape of tongue in mastication and deglutition  

lumbrical m's of foot  

mm. lumbricales pedis  

tendons of long flexor m's of toes  

medial side of base of proximal phalanges of 4 lateral toes  

medial and lateral plantar  

flex metatarsophalangeal joints, extend distal phalanges  

lumbrical m's of hand  

mm. lumbricales manus  

tendons of deep flexor m's of fingers  

extensor tendons of 4 lateral fingers  

median, ulnar  

flex metacarpophalangeal joints, extend middle and distal phalanges  

masseter m.  

m. masseter  

superficial part—zygomatic process of maxilla, lower border of zygomatic arch; deep part—lower border and medial surface of zygomatic arch  

superficial part—angle and ramus of mandible; deep part—upper half of ramus and lateral surface of coronoid process of mandible  

masseteric, from mandibular division of trigeminal  

raises mandible, closes jaws  

multifidus m's  

mm. multifidi  

sacrum, sacroiliac ligament, mammillary processes of lumbar, transverse processes of thoracic, and articular processes of cervical vertebrae  

spines of contiguous vertebrae above  

spinal  

extend, rotate vertebral column  

mylohyoid m.  

m. mylohyoideus  

mylohyoid line of mandible  

body of hyoid bone, median raphe  

mylohyoid branch of inferior alveolar  

elevates hyoid bone, supports floor of mouth  

nasal m.  

m. nasalis  

maxilla  

alar part—ala of nose; transverse part—by aponeurotic expansion with fellow of opposite side  

facial  

alar part—aids in widening nostril; transverse part—depresses cartilage of nose  

oblique m. of abdomen, external  

m. obliquus externus abdominis  

lower 8 ribs at costal cartilages  

crest of ilium, linea alba through rectus sheath  

lower thoracic  

flexes, rotates vertebral column, increases intra-abdominal pressure, accessory respiratory muscle

oblique m. of abdomen, internal  

m. obliquus internus abdominis  

thoracolumbar fascia, iliac crest, iliac fascia, inguinal fascia  

lower 3 or 4 costal cartilages, linea alba, conjoined tendon to pubis  

lower thoracic  

flexes, rotates vertebral column, increases intra-abdominal pressure, accessory respiratory muscle  

oblique m. of eyeball, inferior  

m. obliquus inferior bulbi  

orbital surface of maxilla  

sclera  

oculomotor  

abducts, rotates eyeball upward and outward  

oblique m. of eyeball, superior  

m. obliquus superior bulbi  

lesser wing of sphenoid above optic foramen  

sclera  

trochlear  

abducts, rotates eyeball downward and outward  

oblique m. of head, inferior  

m. obliquus capitis inferior  

spinous process of axis  

transverse process of atlas  

spinal  

rotates atlas and head  

oblique m. of head, superior  

m. obliquus capitis superior  

transverse process of atlas  

occipital bone  

spinal  

extends and moves head laterally  

obturator m., external  

m. obturatorius externus  

pubis, ischium, external surface of obturator membrane  

trochanteric fossa of femur  

obturator  

rotates thigh laterally  

obturator m., internal  

m. obturatorius internus  

pelvic surface of hip bone and obturator membrane, margin of obturator foramen  

greater trochanter of femur  

fifth lumbar, first and second sacral  

rotates thigh laterally  

occipitofrontal m.  

m. occipitofrontalis  

frontal belly—galea aponeurotica; occipital belly—highest nuchal line of occipital bone  

frontal belly—skin of nose; occipital belly—galea aponeurotica  

frontal belly—temporal branch of facial; occipital belly—posterior auricular branch of facial  

frontal belly—raises eyebrow; occipital belly—draws scalp backward  

omohyoid m.  

m. omohyoideus  

superior border of scapula  

body of hyoid bone  

upper cervical through ansa cervicalis  

depresses hyoid bone  

opposing m. of little finger  

m. opponens digit minimi manus  

hook of hamate bone  

front of fifth metacarpal  

eight cervical through ulnar  

abducts, flexes, rotates fifth metacarpal  

opposing m. of thumb  

m. opponens pollicis  

tubercle of trapezium, flexor retinaculum  

lateral side of first metacarpal  

sixth and seventh metacarpal through median  

flexes, opposes thumb  

orbicular m. of eye  

m. orbicularis oculi  

orbital part—medial margin of orbit, including frontal process of maxilla; palpebral part—medial palpebral ligament; lacrimal part—posterior lacrimal crest  

orbital part—near origin after encircling orbit; palpebral part— orbital tubercle of zygomatic bone; lacrimal part—lateral palpebral raphe  

facial  

closes eyelids, wrinkles forehead, compresses lacrimal sac  

orbicular m. of mouth  

m. orbicularis oris  

a name applied to complicated sphincter muscle of mouth, comprising 2 parts: labial part—consisting of fibers restricted to lip; marginal part—consisting of fibers blending with those of adjacent muscles  

facial  

closes, protrudes lips  

orbital m.  

m. orbitalis  

bridges inferior orbital fissure  

fascia of inferior orbital fissure  

sympathetic fibers  

protrudes eye  

palatoglossus m.  

m. palatoglossus  

undersurface of soft palate  

side of tongue  

pharyngeal plexus  

elevates tongue, constricts fauces  

palatopharyngeal m.  

m. palatopharyngeus  

posterior border of bony palate, palatine, aponeurosis  

posterior border of thyroid cartilage, side of pharynx and esophagus  

pharyngeal plexus  

constricts pharynx, aids swallowing  

palmar m., long  

m. palmaris longus  

medial epicondyle of humerus  

flexor retinaculum, palmar aponeurosis  

median  

tenses palmar aponeurosis  

palmar m., short  

m. palmaris brevis  

palmar aponeurosis  

skin and medial border of hand  

ulnar  

assists in deepening hollow of palm  

papillary m's  

mm. papillares cordis  

a name applied to conical muscular projections from walls of cardiac ventricles, attached to cusps of atrioventricular valves by chordae tendineae  

 

steady and strengthen atrioventricular valves and prevent eversion of their cusps  

pectinate m's  

mm. pectinati atrii  

a name applied to small ridges of muscular fibers projecting from inner walls of auricles of heart, and extending in right atrium from auricle to crystal terminalis  

 

 

pectineal m.  

m. pectineus  

pectineal line of pubis  

pectineal line of femur  

femoral, obturator  

flexes, adducts thigh  

pectoral m., greater  

m. pectoralis major  

clavicle, sternum, 6 upper costal cartilages, aponeurosis of external oblique m. of abdomen  

crest of greater tubercle of humerus  

lateral and medial pectoral  

adducts, flexes, rotates arm medially  

pectoral m., smaller  

m. pectoralis minor  

second, third, fourth, and fifth ribs  

coracoid process of scapula  

medial and lateral pectoral  

draws shoulder forward and downward, raises third, fourth, and fifth ribs in forced inspiration  

peroneal m., long  

m. peroneus longus  

lateral condyle of tibia, head of fibula, lateral surface of fibula  

medial cuneiform, first metatarsal  

superficial peroneal  

plantar flexes, everts, abducts foot  

peroneal m., short  

m. peroneus brevis  

lateral surface of fibula  

tuberosity of fifth metatarsal  

superficial peroneal  

everts, abducts, plantar flexes foot  

peroneal m., third  

m. peroneus tertius  

anterior surface of fibula, interosseous membrane  

fascia or base of fifth (or fourth) metatarsal  

deep peroneal  

everts, dorsiflexes foot  

piriform m.  

m. piriformis  

ilium, second to fourth sacral vertebrae  

greater trochanter of femur  

first and second sacral  

rotates thigh laterally  

plantar m.  

m. plantaris  

popliteal surface of femur  

Achilles tendon or back of calcaneus  

tibial  

plantar flexes foot, flexes leg  

platysma  

platysma  

a name applied to platelike muscle of originating from the fascia of cervical region and inserting on mandible and skin around mouth  

cervical branch of facial  

wrinkles skin of neck, depresses jaw  

pleuroesophageal m.  

m. pleuroesophageus  

a name applied to a bundle of smooth muscle fibers, usually connecting esophagus with left members, usually connecting esophagus with left mediastinal pleura  

 

 

popliteal m.  

m. popliteus  

lateral condyle of femur, lateral meniscus  

posterior surface of tibia  

tibial  

flexes leg, rotates leg medially  

procerus m.  

m. procerus  

fascia over nasal bones  

skin of forehead  

facial  

draws medial angle of eyebrows down  

pronator m., quadrate  

m. pronator quadratus  

anterior surface and border of distal third or fourth of shaft of ulna  

anterior surface and border of distal fourth of shaft of radius  

anterior interosseous  

pronates forearm  

pronator m., round  

m. pronator teres  

humeral head—medial epicondyle of humerus; ulnar head—coronoid process of ulna  

lateral surface of radius  

median  

pronates and flexes forearm  

psoas m., greater  

m. psoas major  

lumbar vertebrae  

lesser trochanter of femur  

second and third lumbar  

flexes thigh or trunk  

psoas m., smaller  

m. psoas minor  

last thoracic and first lumbar vertebrae  

arcuate line of hip bone  

first lumbar  

assists greater psoas m.  

pterygoid m., lateral (external)  

m. pterygoideus lateralis  

upper head—infratemporal surface of greater wing of sphenoid, infratemporal crest; lower head—lateral surface of lateral pterygoid plate  

neck of mandible, capsule of temporomandibular joint  

mandibular  

protrudes mandible, opens jaws, moves mandible from side to side  

pterygoid m., medial (internal)  

m. pterygoideus medialis  

medial surface of lateral pterygoid plate, tuber of maxilla  

medial surface of ramus and angle of mandible  

mandibular  

closes jaws  

puboanal m.

m. puboanalis

a name applied to fibers from the medial portion of the pubococcygeal m., which decussate and blend with the longitudinal muscle layer and fascia of the rectum

 

 

pubococcygeus m.  

m. pubococcygeus  

a name applied to anterior portion of levator ani m., originating in front of obturator canal and inserting in anococcygeal ligament and side of coccyx  

pudendal

helps support pelvic viscera and resist increases in intra-abdominal pressure  

puboperineal m.

m. puboperinealis

a name applied to fibers from the medial portion of the pubococcygeus m. that insert into the perineal body

 

 

puboprostatic m.  

m. puboprostaticus  

a name applied to smooth muscle fibers contained within medial puboprostatic ligament, which pass from prostate anteriorly to pubis  

 

 

puborectal m.  

m. puborectalis  

a name applied to portion of levator ani m., with a more lateral origin from pubic bone, and continuous posteriorly with corresponding muscle of opposite side  

third and fourth sacral  

helps support pelvic viscera and resist increases in intra-abdominal pressure, maintains perineal flexure at anorectal junction  

pubovaginal m.  

m. pubovaginalis  

a name applied to part of anterior portion of pubococcygeus m., which is inserted into urethra and vagina  

sacral and pudendal  

helps control micturition  

pubovesical m.  

m. pubovesicalis  

a name applied to smooth muscle fibers extending from neck of urinary bladder to pubis  

 

 

pyloric sphincter m.  

m. sphincter pyloricus  

a thickening of the circular muscle of the stomach around its opening into the duodenum  

 

 

pyramidal m.  

m. pyramidalis  

body of pubis  

linea alba  

last thoracic  

tenses abdominal wall  

pyramidal m. of auricle  

m. pyramidalis auriculae  

a name applied to inconstant prolongation of fibers of m. of tragus to spine of helix  

 

 

quadrate m. of loins  

m. quadratus lumborum  

iliac crest, thoracolumbar fascia  

twelfth rib transverse processes of lumbar vertebrae  

first and second lumbar, twelfth thoracic  

flexes trunk laterally  

quadrate m. of lower lip. See depressor m. of lower lip  

 

 

 

 

 

quadrate m. of sole  

m. quadratus plantae  

calcaneus, plantar fascia  

tendons of long flexor m. of toes  

lateral plantar  

aids in flexing toes  

quadrate m. of thigh  

m. quadratus femoris  

tuberosity of ischium  

intertrochanteric crest and quadrate tubercle of femur  

fourth and fifth lumbar, first sacral  

adducts, rotates thigh laterally  

quadrate m. of upper lip. See levator m. of upper lip  

 

 

 

 

 

quadriceps m. of thigh  

m. quadriceps femoris  

a name applied collectively to rectus m. of thigh and intermediate, lateral, and medial vastus m's, inserting by a common tendon that surrounds patella and ends on tuberosity of tibia  

femoral  

extends leg upon thigh  

rectococcygeus m.  

m. rectococcygeus  

a name applied to smooth muscle fibers originating on anterior surface of second and third coccygeal vertebrae and inserting on posterior surface of rectum  

autonomic  

retracts, elevates rectum  

recto-urethral m.  

m. rectourethralis  

a name applied to band of smooth muscle fibers in male, extending from perineal flexure of rectum to membranous part of urethra  

 

 

recto-uterine m.  

m. rectouterinus  

a name applied to band of fibers in female, running between cervix uteri and rectum, in rectouterine fold  

 

 

rectovesical m.  

m. rectovesicalis  

a name applied to band of fibers in male, connecting longitudinal musculature of rectum with external muscular cost of bladder  

 

 

rectus m. of abdomen  

m. rectus abdominis  

pubic crest and symphysis  

xiphoid process, fifth, sixth, and seventh costal cartilages  

lower thoracic  

flexes lumbar vertebrae, supports abdomen  

rectus m. of eyeball, inferior  

m. rectus inferior bulbi  

common tendinous ring  

underside of sclera  

oculomotor  

adducts, rotates eyeball downward and medially  

rectus m. of eyeball, lateral  

m. rectus lateralis bulbi  

common tendinous ring  

lateral side of sclera  

abducens  

abducts eyeball  

rectus m. eyeball, medial  

m. rectus medialis bulbi  

common tendinous ring  

medial side of sclera  

oculomotor  

adducts eyeball  

rectus m. of eyeball, superior  

m. rectus superior bulbi  

common tendinous ring  

upper side of sclera  

oculomotor  

adducts, rotates eyeball upward and medially  

rectus m. of head, anterior  

m. rectus capitis anterior  

lateral mass of atlas  

basilar part of occipital bone  

first and second cervical  

flexes, supports head  

rectus m. of head, lateral  

m. rectus capitis lateralis  

transverse process of atlas  

jugular process of occipital bone  

first and second cervical  

flexes, supports head  

rectus m. of head, posterior, greater  

m. rectus capitis posterior major  

spinous process of axis  

occipital bone  

suboccipital, greater occipital  

extends head  

rectus m. of head, posterior, smaller  

m. rectus capitis posterior minor  

posterior tubercle of atlas  

occipital bone  

suboccipital, greater occipital  

extends head  

rectus m. of thigh  

m. rectus femoris  

anterior inferior iliac spine, rim of acetabulum  

base of patella, tuberosity of tibia  

femoral  

extends leg, flexes thigh  

rhomboid m., greater  

m. rhomboideus major  

spinous processes of second, third, fourth, and fifth thoracic vertebrae  

vertebral margin of scapula  

dorsal scapular  

retracts and fixes scapula  

rhomboid m., smaller  

m. rhomboideus minor  

spinous processes of seventh cervical and first thoracic vertebrae, lower part of nuchal ligament  

vertebral margin of scapula at root of spine  

dorsal scapular  

retracts and fixes scapula  

risorius m.  

m. risorius  

fascia over masseter  

skin at angle of mouth  

buccal branch of facial  

draws angle of mouth laterally  

rotator m's  

mm. rotatores  

a name applied to a series of small muscles deep in groove between spinous and transverse processes of vertebrae  

spinal  

extend and rotate vertebral column toward opposite side  

sacrococcygeal m., dorsal (posterior)  

 

a name applied to muscular slip passing from dorsal surface of sacrum to coccyx  

 

 

sacrococcygeal m., ventral (anterior)  

 

a name applied to musculotendinous slip passing from lower sacral vertebrae to coccyx  

 

 

sacrospinal m. See erector m. of spine  

 

 

 

 

 

salpingopharyngeal m.  

m. salpingopharyngeus  

cartilage of auditory tube  

posterior part of palatopharyngeus  

pharyngeal plexus  

raises pharynx  

sartorius m.  

m. sartorius  

anterior superior iliac spine  

upper part of medial surface of tibia  

femoral  

flexes thigh and leg  

scalene m., anterior  

m. scalenus anterior  

transverse processes of third to sixth cervical vertebrae  

scalene tubercle of first rib  

second to seventh cervical  

raises first rib, flexes cervical vertebrae laterally  

scalene m., middle  

m. scalenus medius  

transverse processes of first to seventh cervical vertebrae  

upper surface of first rib  

second to seventh cervical  

raises first rib, flexes cervical vertebrae laterally  

scalene m. of pleura. See scalene m., smallest  

 

 

 

 

 

scalene m., posterior  

m. scalenus posterior  

transverse processes of fourth to sixth cervical vertebrae  

second rib  

second to seventh cervical  

raises first and second ribs, flexes cervical vertebrae laterally  

scalene m., smallest  

m. scalenus minimus  

a name applied to muscular band occasionally found between anterior and middle scalene m's  

 

 

semimembranous m.  

m. semimembranosus  

tuberosity of ischium  

lateral condyle of femur, medial condyle and border of tibia  

sciatic  

flexes leg, extends thigh  

semispinal m. of head  

m. semispinalis capitis  

transverse processes of upper thoracic and lower cervical vertebrae  

occipital bone  

suboccipital, greater occipital, branches of cervical  

extends head  

semispinal m. of neck  

m. semispinalis cervicis  

transverse processes of upper thoracic vertebrae  

spinous process of second to fifth (or fourth) cervical vertebrae  

branches of cervical  

extends, rotates vertebral column  

semispinal m. of thorax  

m. semispinalis thoracis  

transverse processes of lower thoracic vertebrae  

spinous processes of lower cervical and upper thoracic vertebrae  

spinal  

extends, rotates vertebral column  

semitendinous m.  

m. semitendinosus  

tuberosity of ischium  

upper part of medial surface of tibia  

sciatic  

flexes and rotates leg medially, extends thigh  

serratus m., anterior  

m. serratus anterior   

8 upper ribs  

vertebral border of scapula  

long thoracic  

draws scapula forward, rotates scapula to raise shoulder in abduction of arm  

serratus m., posterior, inferior  

m. serratus posterior inferior  

spines of lower thoracic and upper lumbar vertebrae  

4 lower ribs  

ninth to twelfth (or eleventh) thoracic  

lowers ribs in expiration  

serratus m., posterior, superior  

m. serratus posterior superior  

nuchal ligament, spinous processes of upper thoracic vertebrae  

second, third, fourth and fifth ribs  

upper 4 thoracic  

raises ribs in inspiration  

soleus m.  

m. soleus  

fibula, tendinous arch, tibia  

calcaneus by Achilles tendon  

tibial  

plantar flexes foot  

sphincter m. of anus, external  

m. sphincter ani externus  

tip of coccyx, anococcygeal ligament  

tendinous center of perineum  

inferior rectal perineal branch of fourth sacral  

closes anus  

sphincter m. of anus, internal  

m. sphincter ani internus  

a name applied to a thickening of circular layer of muscular tunic at caudal end of rectum  

 

 

sphincter m. of bile duct  

m. sphincter ductus biliaris  

a name applied to annular sheath of muscle fibers investing bile duct within wall of duodenum  

 

 

sphincter m. of hepatopancreatic ampulla  

m. sphincter ampullae hepatopancreaticae  

a name applied to annular band of muscle fibers investing hepatopancreatic ampulla  

 

 

sphincter m. of pupil  

m. sphincter pupillae  

a name applied to circular fibers of iris  

parasympathetic through ciliary  

constricts pupil  

sphincter m. of pylorus  

m. sphincter pyloricus  

a name applied to a thickening of circular muscle of stomach around its opening into duodenum pylorus  

 

 

sphincter m. of urethra, external  

m. sphincter urethrae externus  

inferior ramus of pubis  

median raphe behind and in front of urethra  

perineal  

compresses membranous urethra  

sphincter m. of urethra, internal  

m. sphincter urethrae internus  

a name applied to circular layer of fibers surrounding internal urethral orifice  

vesical  

closes internal orifice of urethra  

spinal m. of head  

m. spinalis capitis  

spinous processes of upper thoracic and lower cervical vertebrae  

occipital bone  

spinal  

extends head  

spinal m. of neck  

m. spinalis cervicis  

spinous processes of seventh cervical vertebra, nuchal ligament  

spinous processes of axis  

branches of cervical  

extends vertebral column  

spinal m. of thorax  

m. spinalis thoracis  

spinous processes of upper lumbar and lower thoracic vertebrae  

spinous processes of upper thoracic vertebrae  

branches of spinal  

extends vertebral column  

splenius m. of head  

m. splenius capitis  

lower half of nuchal ligament, spinous processes of seventh cervical and upper thoracic vertebrae  

mastoid part of temporal bone, occipital bone  

cervical  

extends, rotates head and neck  

splenius m. of neck  

m. splenius cervicis  

spinous processes of upper thoracic vertebrae  

transverse processes of upper cervical vertebrae  

cervical  

extends, rotates head and neck  

stapedius m.  

m. stapedius  

interior of pyramidal eminence of tympanic cavity  

neck of stapes  

facial  

dampens movement of stapes  

sternal m.  

m. sternalis  

a name applied to muscular band occasionally found parallel to sternum on sternocostal head of greater pectoral m.  

 

 

sternocleidomastoid m.  

m. sternocleidomastoideus  

sternal head—manubrium; clavicular head—medial third of clavicle  

mastoid process, superior nuchal line of occipital bone  

accessory, cervical plexus  

flexes vertebral column, rotates head to opposite side  

sternocostal m. See transverse m. of thorax  

 

 

 

 

 

sternohyoid m.  

m. sternohyoideus  

manubrium sterni and/or clavicle  

body of hyoid bone  

ansa cervicalis  

depresses hyoid bone and larynx  

sternothyroid m.  

m. sternothyroideus  

manubrium sterni  

lamina of thyroid cartilage  

ansa cervicalis  

depresses thyroid cartilage  

styloglossus m.  

m. styloglossus  

styloid process  

margin of tongue  

hypoglossal  

raises, retracts tongue  

stylohyoid m.  

m. stylohyoideus  

styloid process  

body of hyoid bone  

facial  

draws hyoid bone and tongue upward and backward  

stylopharyngeus m.  

m. stylopharyngeus  

styloid process  

thyroid cartilage, side of pharynx  

glossopharyngeal, pharyngeal plexus  

raises, dilates pharynx  

subclavius m.  

m. subclavius  

first rib and its cartilage  

lower surface of clavicle  

nerve to subclavius  

depresses lateral end of clavicle  

subcostal m's  

mm. subcostales  

lower border of ribs  

upper border of second or third rib below  

intercostal  

raise ribs in inspiration  

subscapular m.  

m. subscapularis  

subscapular fossa of scapula  

lesser tubercle of humerus  

subscapular  

rotates arm medially  

supinator m.  

m. supinator  

lateral epicondyle of humerus, ligaments of elbow  

radius  

deep branch of radial  

supinates forearm  

supraspinous m.  

m. supraspinatus  

supraspinous fossa of scapula  

greater tubercle of humerus  

suprascapular  

abducts arm  

suspensory m. of duodenum  

m. suspensorius duodeni  

a name applied to flat band of smooth muscle fibers originating from left crus of diaphragm and inserting continuous with muscular coat of duodenum at its junction with jejunum  

 

 

tarsal m., inferior  

m. tarsalis inferior  

inferior rectus m. of eyeball  

tarsal plate of lower eyelid  

sympathetic  

widens palpebral fissure  

tarsal m., superior  

m. tarsalis superior  

levator m. of upper eyelid  

tarsal plate of upper eyelid  

sympathetic  

widens palpebral fissure  

temporal m.  

m. temporalis  

temporal fossa and fascia  

coronoid process of mandible  

mandibular  

closes jaws  

temporoparietal m.  

m. temporoparietalis  

temporal fascia above ear  

galea aponeurotica  

temporal branches of facial  

tightens scalp  

tensor m. of fascia lata  

m. tensor fasciae latae  

iliac crest  

iliotibial tract of fascia lata  

superior gluteal  

flexes, rotates thigh medially  

tensor m. of palatine velum  

m. tensor veli palatini  

scaphoid fossa and spine of sphenoid  

aponeurosis of soft palate, wall of auditory tube  

mandibular  

tenses soft palate, opens auditory tube  

tensor m. of tympanum  

m. tensor tympani  

cartilaginous portion of auditory tube  

handle of malleus  

mandibular  

tenses tympanic membrane  

teres major m.  

m. teres major  

inferior angle of scapula  

crest of lesser tubercle of humerus  

lower subscapular  

adducts, extends, and rotates arm medially  

teres minor m.  

m. teres minor  

lateral margin of scapula  

greater tubercle of humerus  

axillary  

rotates arm laterally  

m. of terminal notch  

m. incisurae terminalis  

a name applied to inconstant slips of fibers continuing forward from m. of tragus to bridge notch of cartilaginous part of meatus  

 

 

thyroarytenoid m.  

m. thyroarytenoideus  

medial surface of lamina of thyroid cartilage  

muscular process of arytenoid cartilage  

recurrent laryngeal  

relaxes, shortens vocal folds  

thyroepiglottic m.  

pars thyroepiglottica musculi thyroarytenoidei  

lamina of thyroid cartilage  

epiglottis  

recurrent laryngeal  

closes inlet to larynx  

thyrohyoid m.  

m. thyrohyoideus  

lamina of thyroid cartilage  

greater horn of hyoid bone  

ansa cervicalis  

raises and changes form of larynx  

tibial m., anterior  

m. tibialis anterior  

lateral condyle and surface of tibia, interosseous membrane  

medial cuneiform, base of first metatarsal  

deep peroneal  

dorsiflexes, inverts foot  

tibial m., posterior  

m. tibialis posterior  

tibia, fibula, interosseous membrane  

bases of second to fourth metatarsal bones and tarsal bones, except talus  

tibial  

plantar flexes, inverts foot  

tracheal m.  

m. trachealis  

a name applied to transverse smooth muscle fibers filling gap at back of each cartilage of trachea  

autonomic  

lessens caliber of trachea  

m. of tragus  

m. tragicus  

a name applied to short, flattened vertical band on lateral surface of tragus, innervated by auriculotemporal and posterior auricular nerves  

 

 

transverse m. of abdomen  

m. transversus abdominis  

lower 6 costal cartilages, thoracolumbar fascia, iliac crest  

linea alba through rectus sheath, conjoined tendon to pubis  

lower thoracic  

increases intra-abdominal pressure; accessory respiratory m.

transverse m. of auricle  

m. transversus auriculae  

cranial surface of auricle  

circumference of auricle  

posterior auricular branch of facial  

retracts helix  

transverse m. of chin  

m. transversus menti  

a name applied to superficial fibers of depressor m. of angle of mouth which turn medially and cross to opposite side  

 

 

transverse m. of nape  

m. transversus nuchae  

a name applied to small muscle often present, passing from occipital protuberance to posterior auricular m.; it may be either superficial or deep to trapezius  

 

 

transverse m. of perineum, deep  

m. transversus perinei profundus  

ramus of ischium  

tendinous center of perineum  

perineal  

fixes tendinous center of perineum  

transverse m. of perineum, superficial  

m. transversus perinei superficialis  

ramus of ischium  

tendinous center of perineum  

perineal  

fixes tendinous center of perineum  

transverse m. of thorax  

m. transversus thoracis  

posterior surface of body of sternum and of xiphoid process  

second to sixth costal cartilages  

intercostal  

perhaps narrows chest  

transverse m. of tongue  

m. transversus linguae  

median septum of tongue  

dorsum and margins of tongue  

hypoglossal  

changes shape of tongue in mastication and swallowing  

transversospinal m's  

mm. transversospinales  

a name applied collectively to semispinal, multifidus, and rotator m's  

 

 

trapezius m.  

m. trapezius  

occipital bone, nuchal ligament, spinous processes of seventh cervical and all thoracic vertebrae  

clavicle, acromion, spine of scapula  

accessory, cervical plexus  

elevates shoulder, rotates scapula to raise shoulder in abduction of arm, draws scapula backward  

triangular m. See depressor m. of angle of mouth  

 

 

 

 

 

triceps m. of arm (triceps brachii m.)  

m. triceps brachii  

long head—infraglenoid tubercle of scapula; lateral head—posterior surface of humerus; medial head—posterior surface of humerus below groove for radial nerve  

olecranon of ulna  

radial  

extends forearm; long head adducts, extends arm  

triceps m. of calf (triceps surae m.)  

m. triceps surae  

a name applied collectively to gastrocnemius and soleus m's  

 

 

m. of uvula  

m. uvulae  

posterior nasal spine of palatine bone and aponeurosis of soft palate  

uvula  

pharyngeal plexus  

raises uvula  

vastus m., intermediate  

m. vastus intermedius  

anterior and lateral surfaces of femur  

patella, common tendon of quadriceps m. of thigh  

femoral  

extends leg  

vastus m., lateral  

m. vastus lateralis  

lateral aspects of femur  

patella, common tendon of quadriceps m. of thigh  

femoral  

extends leg  

vastus m., medial  

m. vastus medialis  

medial aspect of femur  

patella, common tendon of quadriceps m. of thigh  

femoral  

extends leg  

vertical m. of tongue  

m. verticalis linguae  

dorsal fascia of tongue  

sides and base of tongue  

hypoglossal  

changes shape of tongue in mastication and deglutition  

vocal m.  

m. vocalis  

angle between laminae of thyroid cartilage  

vocal process of arytenoid cartilage  

recurrent laryngeal  

causes local variations in tension of vocal fold  

zygomatic m., greater  

m. zygomaticus major  

zygomatic bone  

angle of mouth  

facial  

draws angle of mouth upward and backward  

zygomatic m., smaller  

m. zygomaticus minor  

zygomatic bone  

orbicular m. of mouth, levator m. of upper lip  

facial  

draws upper lip upward and laterally  

 

*m. = muscle; m's = (pl.) muscles
m. = [L.] musculus; mm. = ([L.] pl.) musculi