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Gluteus medius

Other Terms: Musculus gluteus medius, Muscle moyen fessier

Muscle parts

None

Latin name

Musculus gluteus medius

Latin muscle parts

None

Group

Hip joint muscle – gluteal group

Etymology

In English, this muscle’s name is the middle muscle of the buttocks. The term gluteus comes from the Greek gloutos meaning “buttocks.” The word medius is Latin for “middle.”

Origin

Between the anterior and posterior gluteal lines and into the overlying gluteal fascia.

Insertion

Ridge on the lateral surface of the greater trochanter of the femur.

Action

Powerful abductor of the hip joint (important in supporting the upright hip when opposite foot is raised off of the ground); anterior fibers rotate the hip joint medially.

Nerve supply

Superior gluteal nerve (L4, L5, and S1)

Blood supply

The superior gluteal artery, small branches from the inferior gluteal artery, and the internal pudendal artery, all from the internal iliac artery, supply the muscle. The lateral circumflex femoral artery supplies the muscle near its insertion.

Latin

Musculus gluteus medius

French

Muscle moyen fessier

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