"The gemellus inferior and superior are a pair of triangular muscles associated with the upper and lower margins of the obturator internus tendon."
"origin: upper aspect of ischial tuberosity"
"insertion: along length of inferior surface of the obturator internus tendon and into the medial side of greater trochanter of femur with obturator internus tendon"
"action"
"arterial supply: inferior gluteal artery"
"innervation: nerve to quadratus femoris"
Expected headings
"Summary"