Gluteus

Gluteus refers to a group of three muscles which make up the buttocks: the gluteus maximus, gluteus medius, and gluteus minimus. These muscles are responsible for movement of the hip and thigh, standing up from a sitting position, climbing stairs, and maintaining balance while standing.

Gluteus Maximus

The gluteus maximus is the largest of the three gluteal muscles and forms the bulk of the buttock. It extends and laterally rotates the hip, and is the chief antigravity muscle that aids in walking up stairs or hills.

Gluteus Medius

The gluteus medius is located on the outer surface of the pelvis. Its posterior third is covered by the gluteus maximus, its anterior two-thirds by the gluteal aponeurosis, which separates it from the superficial fascia and integument. The gluteus medius muscle is a broad, thick, radiating muscle, situated on the outer surface of the pelvis.

Gluteus Minimus

The gluteus minimus is the smallest of the three gluteal muscles and is situated immediately beneath the gluteus medius. It is fan-shaped, arising from the superior margin of the greater sciatic notch and running to the greater trochanter of the femur.

Function

The gluteus muscles are responsible for maintaining balance and posture, and for movement of the hip and thigh. They are also involved in many sports, as they provide power for running and jumping.

Related Conditions

There are several conditions that can affect the gluteus muscles, including strains, tears, and contusions. These injuries can result from overuse, trauma, or improper use of the muscles.

Treatment

Treatment for injuries to the gluteus muscles may include rest, ice, compression, and elevation (RICE), physical therapy, and in some cases, surgery.

See Also

• Hip muscles
• Buttocks
• Muscular system

Gluteus Resources
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