Muscle actions/movements

Question 1

vastus lateralis

Answer 1

knee extension

Question 2

vastus intermedius

Answer 2

knee extension

Question 3

vastus medialis

Answer 3

knee extension

Question 4

rectus femoris

Answer 4

knee extension, hip flexion

Question 5

semimembranosus

Answer 5

knee flexion, hip extension

Question 6

semitendinosus

Answer 6

knee flexion, hip extension

Question 7

biceps femoris

Answer 7

knee flexion, hip extension, lateral rotation

Question 8

sartorius

Answer 8

hip flexion, external rotation

Question 9

glut max

Answer 9

hip extension, lateral rotation

Question 10

glut medius

Answer 10

abduction

Question 11

glut minimus

Answer 11

abduction, medial rotation femur

Question 12

piriformis

Answer 12

abduction, external rotation femur

Question 13

tensor fascae latae

Answer 13

hip flexion and abduction

Question 14

adductor longus

Answer 14

adduction

Question 15

adductor brevis

Answer 15

adduction

Question 16

adductor magnus

Answer 16

adduction

Question 17

gracilis

Answer 17

adduction, hip flexion

Question 18

pectineus

Answer 18

adduction, hip flexion and medial rotation

Question 19

gastrocnemius

Answer 19

plantarflexion, weak knee flexion

Question 20

soleus

Answer 20

plantarflexion

Question 21

popliteus

Answer 21

knee flexion, internal rotation tibia

Question 22

tibialis anterior

Answer 22

dorsiflexion, inversion

Question 23

tibialis posterior

Answer 23

plantarflexion, inversion

Question 24

peroneus longus

Answer 24

eversion, plantarflexion

Question 25

peroneus brevis

Answer 25

eversion, plantarflexion

Question 26

flexor digitorum longus

Answer 26

flex toes, plantarflexion

Question 27

extensor digitorum longus

Answer 27

extends toes, dorsiflexion

Question 28

subscapularis

Answer 28

internal rotation

Question 29

supraspinatus

Answer 29

abduction

Question 30

infraspinatus

Answer 30

external rotation

Question 31

teres minor

Answer 31

external rotation

Question 32

biceps brachii

Answer 32

shoulder and elbow flexion, supination

Question 33

briachialis

Answer 33

elbow flexion

Question 34

brachoradialis

Answer 34

flexion forearm

Question 35

triceps

Answer 35

elbow and shoulder extension

Question 36

teres major

Answer 36

internal rotation arm

Question 37

serratus anterior

Answer 37

protraction

Question 38

erector spinae

Answer 38

extension of spine

Question 39

scalenes

Answer 39

side bend of neck and elevation of rib

Question 40

levator scapula

Answer 40

elevates scapula

Question 41

sternocleidomastioid

Answer 41

rotation, side bend and flexion of neck

Question 42

lat dorsi

Answer 42

adduction, internal rotation, extends arm

Question 43

psoas major

Answer 43

hip flexion

Question 44

rhomboids

Answer 44

elevates and retracts scap

Question 45

trapezius

Answer 45

U - elevates scap, M - retracts scap, L - depresses scap

Question 46

flexor carpi radialis

Answer 46

wrist flexion, abducts wrist

Question 47

flexor carpi ulnaris

Answer 47

wrist flexion, adducts wrist

Question 48

extensor carpi radialis brevis

Answer 48

extends wrist

Question 49

extensor carpi radialis longus

Answer 49

extends forearm

Question 50

palmaris longus

Answer 50

flexes wrist

Question 51

extensor carpi ulnaris

Answer 51

extends wrist

Question 52

quadratus labrum

Answer 52

spine extension

Question 53

iliacus

Answer 53

hip flexion

Question 54

rectus abdominis

Answer 54

flexion lumbar spine

Question 55

internal obliques

Answer 55

rotation in same direction

Question 56

external obliques

Answer 56

rotation

Question 57

transverse abdominis

Answer 57

compresses ribs and viscera

Question 58

intercostals

Answer 58

elevates and depresses ribs