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Sciatic Bursa of Gluteus Maximus Muscle
Connective Tissue

Sciatic Bursa of Gluteus Maximus Muscle

Bursa ischiadica musculi glutei maximi

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Structure

Bursae are sac-like structures, with an inner synovial membrane, that produces a thin film of synovial fluid. They aid in reducing friction between moving tissues of the body, such as between tendon and bone, ligament and bone, tendons and ligaments, and between muscles.

Inflammation of the bursa is known as bursitis. If the inflammation is due to injury or strain, it is known as aseptic bursitis. However, if the inflammation is caused by infection, it is known as septic bursitis.

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Anatomical Relations

The sciatic bursa of gluteus maximus muscle lies between the gluteus maximus muscle and the ischial tuberosity.

Function

Generally, the sciatic bursa of the gluteus maximus muscle reduces friction caused by the gluteus maximus sliding over the prominent ischial tuberosity.

List of Clinical Correlates

—Ischial bursitis

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Synovial Bursa

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Synovial bursae provide a gliding surface and a cushion for soft tissues as they pass over skeletal prominences and are found over bone and under muscle, tendon, ligament, fascia, or skin.

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