Gemellus Superior and Inferior



- See: external rotators of the hip:



Origin: the outer surface of the spine of the ischium
Insertion: the posterior medial surface of the greater trochanter on the femur;
Action: external rotation of the femur at the hip;
Nerve Supply: sacral plexus, L5, S1, S2; (see innervation)
Synergists: piriformis, obturator externus, obturator internus, quadratus femoris, gemeluus inferior



Original Text by Clifford R. Wheeless, III, MD.

Last updated by Data Trace Staff on Thursday, December 15, 2011 12:03 pm