Anatomy
Origin:
Superior lateral margin of the ischial tuberosity.
Insertion:
Quadrate tubercle on the intertrochanteric crest of the femur.
Key Relations:
Lies between the inferior gemellus and the upper margin of the adductor magnus muscle.
Functions
Laterally rotates and adducts the thigh at the hip joint.
Supply
Nerve Supply:
Nerve to quadratus femoris (L5, S1).
Blood Supply:
-Branches of the internal iliac arteries including the internal pudendal artery and inferior gluteal artery.
-Branches of the external iliac arteries incuding the lateral and medial circumflex femoral arteries.
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