Anterior Thigh Muscles

Question 1

Iliacus

Answer 1

O: Iliac fossa
I: Femur distal to lesser trochanter, psoas major tendon
A: Flexion of thigh at hip

Question 2

Psoas Major

Answer 2

O: Anterolateral surfaces of T12-L5 vertebrae bodies
I: Lesser trochanter of femur as iliopsoas tendon
A: Flexion of thigh at hip

Question 3

Rectus Femoris

Answer 3

O: AIIS, Superior acetabular rim of ilium
I: Tibial tuberosity
A: Extension of leg at knee, Flexion of thigh at hip

Question 4

Vastus Intermedius

Answer 4

O: Anterolateral surface of femur, Distal half of line aspera
I: Tibial tuberosity
A: Extension of leg at knee

Question 5

Vastus Lateralis

Answer 5

O: Lateral surface of greater trochanter of femur, Proximal half of linea aspera, intertrochanteric line
I: Tibial tuberosity
A: Extension of leg at knee

Question 6

Vastus Medialis

Answer 6

O: Entire length of linea aspera of femur, Distal and anterior intertrochanteric line
I: Tibial tuberosity
A: Extension of leg at knee

Question 7

Sartorius

Answer 7

O: ASIS
I: Medial tibial condyle, pes anserinus
A: Flexion of leg at knee, Abduction of thigh at hip, Flexion of thigh at hip, External rotation of thigh at hip