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Gluteus maximus muscle

Changed by Daniel J Bell ◉ , 16 Nov 2018

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The gluteus maximus is the largest muscle in the gluteal region and overlies most of the other gluteal muscles.

Summary

origin
- gluteal surface of the ilium~~behind~~ behind the posterior gluteal line
- the lumbar fascia
- lateral mass of sacrum
- sacrotuberous ligament
insertion: gluteal tuberosity of the femur~~and~~ and iliotibial tract
action
- powerful extensor of flexed femur at hip joint
- lateral stabiliser of hip joint
- lateral stabiliser of the extended knee joint
  - by tightening the iliotibial tract ²
- laterally rotator of the thigh
arterial supply:superior and inferior gluteal arteries
innervation: inferior gluteal nerve
antagonist

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