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Quadratus Femoris

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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

Action - Laterally rotates thigh; steadies femoral head in acetabulum

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