Pathway: Sciatic nerve leaves the greater sciatic notch and emerges on the inferior aspect of the piriformis muscle. It crosses superficial to the small external rotators of the femur, lateral to the ischial tuberosity and deep to the hamstring muscles as it descends...
From sacral plexus L4-S3 Anterior sacrum and piriformis •Greater sciatic notch Deep gluteal region Posterior thigh Split at approximately popliteal fossa Tibial and common fibular divisions
