Piriformis: A muscle in the gluteal region that aids in laterally rotating and abducting the thigh when the hip is flexed.
Obturator Internus: A muscle situated deep within the pelvis that functions to laterally rotate and stabilize the hip joint.
Ischial Tuberosity:The bony protrusion at the base of the pelvis onto which both gemelli muscles, along with other muscles, attach, serving as a foundation for their function