Inferior gemellus muscle

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Description:

Origin:
Upper portion of the tuberosity of the ischium

Insertion:
Joins the inferior edge of the obturator internus tendon to the medial surface of the greater trochanter of the femur

Actions:
Rotates the hip laterally

Nerve supply:
Nerve to quadratus femoris

Blood supply:
Branches of the internal iliac artery