Main Model
53 Quadratus femoris muscle
Quadratus femoris
Proximal Attachment: Lateral border of ischial tuberosity
Distal Attachment: Quadrate tubercle on intertrochanteric crest of femur and area inferior to it
Innervation: Nerve to quadratus femoris (L5, S1)
Main Action(s): Laterally rotates thigh; steadies femoral head in acetabulum