Resisted Infraspinatus Test | Rationale & Interpretation

The video tutorial explains the resisted external rotation test, a manual muscle test for the shoulder. It is part of test item clusters for subacromial impingement syndrome and full thickness rotator cuff tear. The test has a specificity of 0.74 and a sensitivity of 0.90, making it a useful screening tool. The video details how to perform the test, interpret results, and take necessary precautions.

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