Gluteus Medius

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Posterior Hip Muscles 2.png
Gluteus Medius
Muscle Type
Origin Gluteal surface of ilium, under gluteus Maximus. Three areas of origin: gluteal fossa, gluteal aponeurosis, and posterior inferior edge of the lip of the iliac crest.
Insertion Greater trochanter of the femur. Three points of insertion: tendinous portion of the aponeurosis inserts onto the superolateral facet, the remainder inserts along an anteroinferior oblique line on the lateral facet.
Action Abduction of the hip; preventing adduction of the hip. Medial/internal rotation and flexion of the hip (anterior fibers). Extension and Lateral/external rotation of the hip (posterior fibers)
Synergists Gluteus Minimus, Tensor Fascia Lata, Gluteus Maximus
Antagonists Hip Adductors
Spinal innervation L4, L5, S1
Peripheral Innervation Superior Gluteal Nerve
Vasculature superior gluteal artery