Subcoracoid bursa

Subcoracoid bursa is a significant anatomical structure in the human body, particularly in the shoulder region. It is a small fluid-filled sac that provides a cushion between bones and tendons or muscles around the shoulder joint. The subcoracoid bursa is located beneath the coracoid process, a small hook-like structure on the lateral edge of the superior anterior part of the scapula (shoulder blade).

Etymology

The term "subcoracoid" is derived from Latin, with "sub-" meaning under and "coracoid" referring to the coracoid process of the scapula. "Bursa" is a Latin word that translates to "purse," which describes the sac-like nature of bursae in the body.

Anatomy

The subcoracoid bursa is situated beneath the coracoid process of the scapula and the subscapularis muscle. It is adjacent to the shoulder joint and the coracobrachialis muscle. The bursa serves as a cushion and provides a smooth surface for muscles to move over bones.

Function

The primary function of the subcoracoid bursa is to reduce friction between the muscles and the bone. It allows for smooth movement of the shoulder joint, preventing direct contact between the bone and the muscle or tendon.

Clinical Significance

Inflammation of the subcoracoid bursa, known as bursitis, can cause pain and restrict movement in the shoulder joint. This condition can be caused by repetitive motion, trauma, or an underlying inflammatory condition. Treatment typically involves rest, physical therapy, and in some cases, medication or surgery.

Related Terms

• Bursa
• Coracoid process
• Subscapularis muscle
• Coracobrachialis muscle
• Bursitis

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