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Subtendinous Bursa of Infraspinatus Muscle (Left)
Connective Tissue

Subtendinous Bursa of Infraspinatus Muscle (Left)

Bursa subtendinea musculi infraspinati

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Anatomical Relations

The subtendinous bursa of infraspinatus muscle sits on the lateral portion of the scapula, inferior to the scapular spine and deep to the tendon of the infraspinatus muscle.

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Structure

The subtendinous bursa of infraspinatus muscle is a closed sac of synovial fluid. The bursa may communicate with the glenohumeral joint capsule (Standring, 2016).

Function

The subtendinous bursa of infraspinatus muscle permits friction-free movement of the tendinous insertion of the infraspinatus muscle.

List of Clinical Correlates

—Bursitis

—Septic bursitis

References

Standring, S. (2016) Gray's Anatomy: The Anatomical Basis of Clinical Practice. Gray's Anatomy Series 41st edn.: Elsevier Limited.

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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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