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Orthopaedics · Shoulder: subacromial impingement
Sample itemA painter has shoulder pain on abduction between 60 and 120 degrees, which settles when the arm is raised higher. What is this finding called?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Painful arc of subacromial impingement
In subacromial impingement the supraspinatus tendon and bursa are compressed beneath the coracoacromial arch during abduction, causing pain between about 60 and 120 degrees. The Neer and Hawkins-Kennedy tests are positive, and subacromial injection relieves the pain.
Option by option
A. Apprehension sign
The apprehension sign relates to anterior instability.
B. Sulcus sign
The sulcus sign relates to inferior instability.
C. Painful arc of subacromial impingement (correct)
Correct. A painful mid-range arc is the sign of impingement.
D. Drop arm sign
The drop arm sign relates to a full-thickness cuff tear.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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