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image: Quadratus Femoris
Quadratus Femoris

Quadratus Femoris

 Articulations :

 Action :

  • Rotates the hip laterally; also helps adduct the hip.

Origin :

  • Lateral margin of obturator ring above ischial tuberosity.

Insertion :

  • Quadrate tubercle and adjacent bone of intertrochanteric crest of proximal posterior femur.

Innervation :

  • Quadratus femoris branch of nerve to the quadratus femoris and inferior gemellus (L5, S1).

Arterial Supply :

  • Medial circumflex femoral artery.

Depth :

  • Superficial
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