- Ischial spine.
- Medial surface of greater trochanter of femur, in common with obturator internus.
- Nerve to the obturator internus and superior gemellus – a branch of the sacral plexus (L5, S1).
Arterial Supply :
- Inferior gluteal artery.
- Rotates the thigh laterally
- Also helps abduct the flexed thigh.