Diagnosis of Rotator Cuff Tears.

Last updated Tuesday, January 25, 2005

Diagnosis of full thickness rotator cuff tear

A. History

1. Functionally significant weakness of glenohumeral elevation and/or rotation
2. Age over 30 years, usually over 40 years
3. Diagnosis is supported by a history of sudden unexpected loading of the arm followed by shoulder weakness

B. Physical examination

1. Weakness on elevation and/or rotation
2. Diagnosis is supported by supraspinatus and/or infraspinatus atrophy, subacromial crepitance, and/or palpable defect in rotator cuff

C. Radiographs

1. Diagnosis is supported by upward displacement of humeral head in relation to acromion and by acromial spurring

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