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Gluteus maximus

Other Terms: M.gluteus maximus, Musculus gluteus maximus, Muscle grand fessier

Muscle parts

Femoral part; Iliotibial tract part

Latin name

Musculus gluteus maximus

Latin muscle parts

Pars femoralis; Pars tractus iliotibialis

Group

Hip joint muscle – gluteal group

Etymology

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

Origin

From the rough aspect of the ilium behind the posterior gluteal line, the posterior iliac crest, the lower posterior sacrum, the side of the coccyx, and the fascia of the gluteus medius.

Insertion

The massive upper two-thirds of the muscle attaches into the iliotibial tract of the fascia lata; the lower third attaches to the gluteal tuberosity.

Action

Extends the flexed thigh and lateral rotation of hip (can move the trunk or thigh, depending on which is fixed); Upper fibers assist with abduction of the hip joint; it tenses the iliotibial tract and the fascia lata and accordingly stabilizes the femur on the tibia.

Nerve supply

Inferior gluteal nerve (L5, S1, and S2)

Blood supply

This large muscle is supplied by numerous branches from the internal iliac artery including the inferior and superior gluteal arteries, the dorsal branches of the lateral sacral arteries, and the internal pudendal artery. It also receives blood from the lateral circumflex femoral artery.

Latin

Musculus gluteus maximus

French

Muscle grand fessier

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