Muscles (actions only)

Question 1

frontalis

Answer 1

elevate eyebrow

Question 2

occipitalis

Answer 2

pull scalp posteriorly

Question 3

orbicularis oris

Answer 3

closing lips, kissing

Question 4

buccinator

Answer 4

chew, whistle, cheek compression

Question 5

masseter

Answer 5

primary mover, elevate mandible

Question 6

temporalis

Answer 6

elevate jaw, close jaw at rest

Question 7

sternocleidomastoid

Answer 7

forward neck flexion, rotate head side to side

Question 8

coracobrachialis

Answer 8

adducts arm, flex arm at shoulder

Question 9

biceps brachii

Answer 9

flexion elbow, supination of forearm

Question 10

brachialis

Answer 10

primary mover, flexion forearm

Question 11

triceps brachii

Answer 11

extend forearm at elbow

Question 12

pronator teres

Answer 12

forearm pronation

Question 13

flexor carpi radialis

Answer 13

primary mover, wrist flexion/abduction

Question 14

palmaris longus

Answer 14

weak flexor wrist

Question 15

extensor digitorum

Answer 15

primary mover finger extension 2-5

Question 16

extensor carpi ulnaris

Answer 16

extension of wrist, adduction of hand

Question 17

supinator

Answer 17

supinates forearm

Question 18

abductor pollicis longus

Answer 18

abducts thumb

Question 19

pectoralis minor

Answer 19

protracts shoulder, rotate scapula

Question 20

teres major

Answer 20

extension, adduction, medially rotate arm

Question 21

teres minor (rotator cuff)

Answer 21

lateral rotation of arm

Question 22

infraspinous (rotator cuff)

Answer 22

lateral rotation of arm

Question 23

supraspinous (rotator cuff)

Answer 23

abducts and stabilize humerus

Question 24

subscapularis (rotator cuff)

Answer 24

medially rotate humerus

Question 25

levator scapulae

Answer 25

elevates scapula, adduction

Question 26

external intercostals

Answer 26

pulls ribs towards each other, elevate rib cage, inspiration

Question 27

internal intercostals

Answer 27

pull ribs apart, depress rib cage, expiration

Question 28

iliopsoas

Answer 28

primary hip flexion

Question 29

external oblique

Answer 29

compress abdominal region, trunk rotation

Question 30

internal oblique

Answer 30

compress abdominal region, trunk rotation

Question 31

transverse abdominis

Answer 31

compress abdominal region

Question 32

Gracilis

Answer 32

adducts thigh, flex and medially rotate leg

Question 33

Tensor fascia latae

Answer 33

flexes, abducts, medially rotate thigh

Question 34

vastus lateralis (quadriceps)

Answer 34

extends leg and stabilizes knee

Question 35

vastus intermedius (quadriceps)

Answer 35

extends leg

Question 36

vastus medialis (quadriceps)

Answer 36

extends leg, stabilizes patella

Question 37

semitendinosus (hamstrings)

Answer 37

extends thigh, flexes leg

Question 38

semimembranosus (hamstrings)

Answer 38

extends thigh, flexes leg

Question 39

gluteus maximus

Answer 39

powerful thigh extensor

Question 40

soleus

Answer 40

plantar flexion

Question 41

fibularis longus

Answer 41

plantar flexion and everts foot

Question 42

extensor digitorum longus

Answer 42

prime mover of toe extension

Question 43

extensor hallucis longus

Answer 43

extends big toe, dorsiflexion

Question 44

tibialis anterior

Answer 44

prime mover of dorsiflexion