In Neer's test, which structure is stabilized to prevent upward rotation?

In Neer's test, which structure is stabilized to prevent upward rotation?

• A. Elbow
• B. Scapula
• C. Clavicle
• D. Humeral head

Answer: (B)

Neer's test assesses subacromial impingement by increasing the compression of the rotator cuff and subacromial bursa under the acromion during arm elevation. The key step is stabilizing the scapula against the thorax to prevent upward rotation; this keeps the scapula from moving to open the subacromial space, so when the arm is passively flexed, the greater tubercle is driven under the acromion and the impingement sensation or pain is reproduced. The elbow, clavicle, and humeral head aren’t the structures being fixed in this maneuver—the scapula is.

Neer's test assesses subacromial impingement by increasing the compression of the rotator cuff and subacromial bursa under the acromion during arm elevation. The key step is stabilizing the scapula against the thorax to prevent upward rotation; this keeps the scapula from moving to open the subacromial space, so when the arm is passively flexed, the greater tubercle is driven under the acromion and the impingement sensation or pain is reproduced. The elbow, clavicle, and humeral head aren’t the structures being fixed in this maneuver—the scapula is.