Thigh Muscles Actions and Nerve

Question 1

Name action and nerve for all the vastus muscles

Answer 1

Knee extension

Femoral

Question 2

Name action and nerve for sartorius

Answer 2

Knee flexion/IR
Hip abduction
Hip flexion
Hip ER

Question 3

Name action and nerve for adductor brevis and longus

Answer 3

Hip adduction
Hip flexion

Obturator

Question 4

Name action and nerve for adductor magus

Answer 4

Hip adduction

Obturator/femoral

Question 5

Name action and nerve for gracilis

Answer 5

Hip adduction
Knee IR

Obturator

Question 6

Name action and nerve for pectineus

Answer 6

Hip adduction
Hip flexion

Femoral/Obturator

Question 7

Name action and nerve for semitendinosis and semimembranosis

Answer 7

Hip extension and IR
Knee flexion and IR

Tibial

Question 8

Name action and nerve for biceps femoris long head

Answer 8

Hip extension and ER
Knee flexion and ER

Tibial

Question 9

Name action and nerve for biceps for short head

Answer 9

Knee flexion and ER

Common peroneal

Question 10

Name action and nerve for popliteus

Answer 10

Knee flexion IR

Tibial

Question 11

Name action and nerve for Rectus femoris

Answer 11

Knee extension
Hip flexion

Femoral