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What is the dysfunction that occurs due to the narrowing and rubbing of the soft tissue and bony structures of the shoulder?

A) Impingement syndrome
B) Rotator cuff tear
C) Frozen shoulder
D) Bursitis

Answer :

Final answer:

Impingement Syndrome is the result of soft tissue and bony structures narrowing and rubbing within the shoulder, commonly associated with activities that cause repetitive shoulder movements.

Explanation:

The dysfunction that occurs due to the narrowing and rubbing of the soft tissue and bony structures of the shoulder is known as Impingement Syndrome. This condition is closely associated with repetitive shoulder actions and can involve acute or chronic inflammation of the bursa or muscle tendons. Rotator cuff muscles, which provide primary support for the shoulder joint, often suffer from impingements that can result in inflammation and pain, and in severe cases, may lead to rotator cuff tears.

The shoulder joint is a dynamic structure supported by the rotator cuff muscles - supraspinatus, infraspinatus, teres minor, and subscapularis - and protected against friction by two bursae, the subacromial bursa and the subscapular bursa. By constantly adjusting their contraction, these muscles serve as dynamic ligaments to maintain the position and stability of the humerus within the glenoid cavity.

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