Anterior Thigh Muscles

Question 1

Sartorius

Answer 1

O- Anterior superior iliac spine
I- Superior medial tibia
N- Femoral nerve
A- Flexes, abducts, and laterally rotates thigh, flexes leg (knee)

Question 2

Psoas Major
(+ Iliacus= Iliopsoas)

Answer 2

O- Transverse processes, intervertebral discs, and bodies of T12-L5
I- Lesser trochanter of femur
N- L1-L3
A- flexes thigh and/or trunk

Question 3

Iliacus

+ Psoas Major= Iliopsoas

Answer 3

O- Superior 2/3 of iliac fossa
I- Lesser trochanter of femur
N- Femoral nerve
A- Flexes thigh and stabilizes hip joint

Question 4

Rectus Femoris (Antigravity Muscle)

Answer 4

O- Anterior inferior iliac spine and ilium
I- Base of patella
N- Femoral nerve
A- Extends leg (knee), flexes thigh

Question 5

Vastus Lateralis (Antigravity Muscle)

Answer 5

O- Greater trochanter and lateral linea aspera
I- Base of patella
N- Femoral nerve
A- Extends leg (knee)

Question 6

Vastus Intermedius (Antigravity Muscle)

Answer 6

O- Anterior and lateral surface of shat of femur
I- Base of patella
N- Femoral nerve
A- Extends leg (knee)

Question 7

Vastus Medialis (Antigravity Muscle)

Answer 7

O- Intertrochanteric line and medial linea aspera
I- Base of patella
N- Femoral nerve
A- Extends leg (knee)