Lower extremity Actions

Question 1

Gluteus Maximus

Answer 1

extends, laterally rotates, abducts leg at hip joint

Question 2

Gluteus medius

Answer 2

medial rotation of hip; abduction of thigh at hip

Question 3

Gluteus minimus

Answer 3

medial rotation of hip; abducts thigh at hip

Question 4

Piriformis

Answer 4

–

Question 5

Iliacus

Answer 5

flexion of thigh at hip joint

Question 6

Psoas major and minor

Answer 6

flexion of thigh at hip joint

Question 7

Sartorius

Answer 7

flexion of thigh at hip; medial rotation at hip joint

Question 8

Rectus femoris

Answer 8

flexion of thigh at hip joint; extension of knee

Question 9

Vastus lateralis

Answer 9

extend leg at knee joint

Question 10

Vastus medialis

Answer 10

extend leg at knee joint

Question 11

vastus intermedius

Answer 11

extend leg at knee joint

Question 12

tensor fascia lata

Answer 12

medial rotation, abduction, flexion of thigh at hip joint

Question 13

Pectineus

Answer 13

flexion and adduction of thigh at hip joint

Question 14

adductor brevis

Answer 14

adduction of thigh at hip joint

Question 15

adductor longus

Answer 15

adduction thigh at hip joint

Question 16

adductor magnus

Answer 16

adduction and flex thigh at hip joint

Question 17

gracilis

Answer 17

adduction at hip joint; medial rotation and flexion at knee joint

Question 18

biceps femoris (short and long head)

Answer 18

flexion at lateral rotation at knee joint

Question 19

semitendinosus

Answer 19

flexion and medial rotation at knee joint

Question 20

semimembranosus

Answer 20

flexion and medial rotation at knee joint

Question 21

fibularis longus

Answer 21

eversion, plantar flexion

Question 22

fibularis brevis

Answer 22

eversion; plantar flexion

Question 23

tibialis anterior

Answer 23

dorsiflexion of foot at ankle, inversion of foot at ankle

Question 24

extensor digitorum longus

Answer 24

dorsiflexion of foot at ankle; digits II-V toe extension

Question 25

extensor hallucis longus

Answer 25

extend hallux

Question 26

fibularis tertius

Answer 26

dorsiflexion of foot at ankle; eversion of foot at ankle

Question 27

gastrocnemius (lateral and medial head)

Answer 27

plantar flexion of foot at ankle; flexion of leg at knee

Question 28

soleus

Answer 28

plantar flexion of foot at ankle

Question 29

flexor hallucis longus

Answer 29

plantar flexion of foot at ankle; flexion of hallux

Question 30

tibilais posterior

Answer 30

plantar flexion of foot at ankle

Question 31

flexor digitorum longus

Answer 31

flex digit II-V; plantar flexion of foot at ankle

Question 32

flexor digitorum brevis

Answer 32

flexion digits II-V

Question 33

quadratus plantae

Answer 33

assists flexor digitorum longus

Question 34

extensor digitorum brevis

Answer 34

extension of digits II-V

Question 35

extensor hallucis brevis

Answer 35

hallux extension