Origin

Outer edge of iliac crest between anterior superior iliac spine and iliac tubercle

Insertion

Iliotibial tract on upper part of thigh. The iliotibial tract inserts at Gerdy’s tubercle in the lateral condyle of tibia.

Actions

Flexes, abducts thigh

Nerve

Superior gluteal nerve (L4, L5, S1)

Note

This muscle, along with gluteus maximus, draws the fascia lata upward, stabilizing the knee