Anterior compartment of thigh

Question 1

Pectineus

Answer 1

P: superior rami of pubis

D: pectineal line femur inferior to lesser trochanter

N: Femoral nerve L2, L3

A: adducts & flexes thigh, assists in medial rotation

Question 2

Iliopsoas

Psoas major

Answer 2

P: transverse process of all lumbar vertebrae

D: lesser trochanter of femur

N: Anterior rami of lumbar nerves (L1, L2, L3)

A: flexes thigh at hip and stabilizes joint

Question 3

Iliopsoas

Psoas minor

Answer 3

P: sides of T12-L1 vertebrae

D: pectineal line, iliopectineal arch

N: Anterior rami of lumbar nerves (L1, L2)

A: flexes thigh, stabilizes hip

Question 4

Iliacus

Answer 4

P: Iliac crest, iliac fossa, ala of sacrum, anterior sacroliliac ligaments

D: tendon of psoas major, lesser trochanter

N: femoral nerve L2, L3

A: flexes thigh, stabilizes hip

Question 5

Sartorius

Answer 5

P: Anterior superior iliac spine

D: superior medial tibia

N: fermoral nerve L2, L3

A: flexes, abducts, laterally rotates thigh, flexes leg at knee, medial rotation of leg if knee flexed

Question 6

Rectus femoris

Answer 6

P: Anterior inferior iliac spine

D: patellar ligament and common tendinous

N: Femoral nerve L2, L3, L4

A: extend leg at knee, stabilizes hip, helps iliopsoas flex thigh

Question 7

vastus lateralis

Answer 7

P: greater trochanter

D: common tendinous, aponeuroses to tibia & patella

N: femoral nerve L2, L3, L4

A: extends leg at knee

Question 8

vastus medialis

Answer 8

P: intertrochanteric line

D: common tendinous, aponeuroses to tibia and patella

N: Femoral nerve L2, L3, L4

A: extends leg at knee

Question 9

vastus intermedius