"The quadratus femoris muscle is the most inferior of the deep group of muscles in the gluteal region. It is a flat rectangular muscle below the obturator internus muscle and its associated gemellus superior and inferior muscles."
"origin: lateral aspect of the ischium just anterior to the ischial tuberosity"
"insertion: quadrate tubercle on the intertrochanteric crest of the proximal femur"
"action: laterally rotates femur at hip joint"
"arterial supply: inferior gluteal artery"
"innervation: nerve to quadratus femoris"
Expected headings
"Summary"