- Rotates the thigh laterally; also helps abduct the flexed thigh.
- Posterior portions of ischial tuberosity and lateral obturator ring.
- Medial surface of greater trochanter of femur, in common with obturator internus.
- Nerve to the obturator internus and inferior gemellus − a branch of the sacral plexus (L5, S1).
Arterial Supply :
- Inferior gluteal artery.