actions

Question 1

raises eyebrows

Answer 1

Frontalis

Question 2

pulls scalp posteriorly

Answer 2

occipitalis

Question 3

closes eye

Answer 3

orbicularis oculi

Question 4

elevates the upper lip

Answer 4

levator labii superioris

Question 5

smiling muscle

Answer 5

zygomaticus

Question 6

closed-mouth smile

Answer 6

risorius

Question 7

closes and protrudes lips

Answer 7

orbicularis oris

Question 8

pouting muscle

Answer 8

depressor labii inferioris

Question 9

expels air

Answer 9

buccinator

Question 10

depresses the mandible

Answer 10

platysma and digastric

Question 11

elevates the mandible

Answer 11

masseter

Question 12

retracts the mandible

Answer 12

temporalis

Question 13

elevates hyoid

Answer 13

mylohyoid

Question 14

depresses hyoid

Answer 14

sternohyoid

Question 15

depresses larynx

Answer 15

sternothyroid

Question 16

flex and rotate the head

Answer 16

sternocleidomastoid

Question 17

elevate rib cage

Answer 17

scalenes

Question 18

extends the head

Answer 18

splenius

Question 19

extend the vertebral column

Answer 19

semispinalis capitis

Question 20

flattens the lower floor of the thoracic cavity

Answer 20

diaphragm

Question 21

elevates the rib cage

Answer 21

external intercostal

Question 22

depresses the rib cage

Answer 22

internal intercostal

Question 23

compresses abdominal cavity

Answer 23

rectus abdominis, external oblique, internal oblique and transversus abdominis

Question 24

elevates scapula

Answer 24

trapezius and levator scapulae

Question 25

retracts scapula

Answer 25

rhomboid

Question 26

depresses scapula

Answer 26

pectoralis minor

Question 27

scapula protraction

Answer 27

serratus anterior

Question 28

flexes and adducts the arm

Answer 28

pectoralis major

Question 29

adducts and extends the arm

Answer 29

latissimus dorsi

Question 30

abducts the arm

Answer 30

deltoid

Question 31

adducts, extends and rotates arm

Answer 31

teres major

Question 32

assists abduction

Answer 32

supraspinatus

Question 33

rotates the humerus

Answer 33

infraspinatus and teres minor

Question 34

flexes the elbow

Answer 34

biceps brachii, brachialis and brachioradialis

Question 35

extends the elbow

Answer 35

triceps brachii and anconeus

Question 36

pronates forearm

Answer 36

pronator teres

Question 37

flexes wrist

Answer 37

flexor carpi radialis, palmaris longus and flexor carpi ulnaris

Question 38

flexes fingers

Answer 38

flexor digitorum superficialis

Question 39

flexes thumb

Answer 39

flexor pollicis longus

Question 40

extends wrist

Answer 40

extensor carpi radalis longus, extensor carpi radalis brevis and extensor carpi ulnaris

Question 41

extends fingers

Answer 41

extensor digitorum

Question 42

supinates forearm

Answer 42

supinator

Question 43

flexes the thigh

Answer 43

Iliopsoas, sartorius and TFL

Question 44

adducts the thigh

Answer 44

adductors, pectineus and gracilis

Question 45

extends the knee

Answer 45

rectus femoris, vastus lateralis, vastus medialis and vastus intermedius

Question 46

abducts the thigh

Answer 46

gluteus medius

Question 47

extends the thigh

Answer 47

gluteus maximus, biceps femoris, semitendinosus and semimembranosus

Question 48

dorsiflexes the foot

Answer 48

tibialis anterior and extensor digitorum longus

Question 49

plantar flexes the foot

Answer 49

fibularis longus, gastrocnemius and soleus

Question 50

flexes toes

Answer 50

flexor digitorum longus