Anterior Leg Muscles

Question 1

tensor fasciae latae

Answer 1

abduction of thigh at hip
medial rotation of thigh at hip
keeps knee extended

Question 2

sartorius

Answer 2

flexion of thigh at hip
abduction of thigh at hip
lateral rotation of thigh at hip
flexion of knee

Question 3

rectus femoris

Answer 3

extension of knee
steadies hip joint
helps iliopsoas flex thigh at hip

Question 4

vastus lateralis

Answer 4

extension of knee

Question 5

vastus medialis

Answer 5

extension of knee

Question 6

vastus intermedius

Answer 6

extension of knee

Question 7

pectineus

Answer 7

adduction of thigh at hip

flexion of thigh at hip

Question 8

adductor longus

Answer 8

adduction of thigh at hip

medial rotation of thigh at hip

Question 9

adductor brevis

Answer 9

adduction of thigh at hip

flexion of thigh at hip

Question 10

adductor magnus

Answer 10

adduction of thigh at hip
adductor portion: flexion of thigh at hip
hamstring portion: extension of thigh at hip

Question 11

Gracilis

Answer 11

addiction of thigh at hip
flexion of leg at knee
medial rotation of leg at knee

Question 12

obturator externus

Answer 12

lateral rotation of thigh at hip

steadies femoral head in acetabulum

Question 13

tibialis anterior

Answer 13

dorsiflexion of foot at ankle and inverts foot

Question 14

extensor hallucis longus

Answer 14

extends big toe and dorsiflexes foot at ankle

Question 15

extensor digitorum longus

Answer 15

extends lateral four digits (toes) and dorsiflexes foot at ankle

Question 16

Fibularis (peroneaus) tertius

Answer 16

dorsiflexes foot at ankle

aids in eversion of foot

Question 17

fibularis (peroneaus) longus

Answer 17

everts foot and weak plantar flexion at ankle.

Question 18

Fibularis (peroneaus) brevis

Answer 18

everts foot and weak planter flexion at ankle.