Subcoracoid bursa

Subcoracoid Bursa

Diagram of the shoulder joint showing the bursae, including the subcoracoid bursa.

The subcoracoid bursa is a small fluid-filled sac located in the shoulder region, specifically beneath the coracoid process of the scapula. It plays a crucial role in reducing friction between the coracobrachialis muscle and the subscapularis muscle, as well as between the tendons and the glenohumeral joint.

Anatomy

The subcoracoid bursa is situated anteriorly in the shoulder, lying deep to the coracoid process. It is one of several bursae in the shoulder, which include the subacromial bursa, subdeltoid bursa, and subscapular bursa. These bursae are essential for smooth movement of the shoulder joint by providing a cushion that reduces friction between moving structures.

Function

The primary function of the subcoracoid bursa is to facilitate the smooth gliding of the muscles and tendons during shoulder movements. It helps in minimizing the wear and tear on the musculoskeletal system by acting as a lubricating agent. This is particularly important during activities that involve overhead arm movements or heavy lifting.

Clinical Significance

Inflammation of the subcoracoid bursa, known as bursitis, can lead to pain and restricted movement in the shoulder. This condition is often caused by repetitive motion or trauma and can be associated with other shoulder pathologies such as rotator cuff injuries or impingement syndrome.

Symptoms of subcoracoid bursitis include pain in the front of the shoulder, tenderness, and swelling. Diagnosis is typically made through clinical examination and imaging studies such as ultrasound or MRI. Treatment may involve rest, physical therapy, anti-inflammatory medications, or in some cases, corticosteroid injections.

Related Pages

• Shoulder joint
• Bursitis
• Coracoid process
• Rotator cuff

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