By Ahmad Fannoon & Feras Almahsiry:
- Reproducing pain associated with subacromial impingement (anterior shoulder pain).
- The sign: passively elevating the arm in the plane that is slightly anterior to the scapular plane while stabilizing the scapula.
- This sign is sensitive more than it is specific.
- To improve the sign sensitivity, it should be repeated after subacromial local anesthesia.
- Combined sign & subacromial local anesthesia is referred to as the impingement test.
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