- See: Innervation of Lower Limb Muscles
- from the lumbo-sacral plexus, arises from posterior branches L4, L5, S1;
- exits the pelvis and enters the gluteal regioin through the upper margin of the greater sciatic notch, just superior to the piriformis muscle.
- it courses with superior gluteal artery between gluteus medius and minimus, and supplies motor branches to both as well as the
tensor fascia lata.
Relationship Between the Superior Gluteal Vessels and Nerve at the Greater Sciatic Notch