Muscles That Move The Thigh

Question 1

Psoas major

Answer 1

Origin: bodies and transverse processes of lumbar vertebrae

Insertion: lesser trochanter of femur

Action: flexes hip

Nerve supply: branches of L1-3 nerves

Question 2

Iliacus

Answer 2

Origin: iliac fossa of ilium:

Insertion: lesser trochanter of femur

Action: flexes hip

Nerve supply: femoral nerve

Question 3

Gluteus Maximus

Answer 3

Origin: sacrum, coccyx, and posterior surface of ilium

Insertion: posterior surface of femur and fascia of thigh

Action: extends hip

Nerve supply: inferior gluteal nerve

Question 4

Gluteus medius

Answer 4

Origin: lateral surface of ilium

Insertion: greater trochanter of femur

Action: abducts and rotates thigh medially

Nerve supply: superior gluteal nerve