The Cross-Body Adduction test is used to assess which structure?

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Multiple Choice

The Cross-Body Adduction test is used to assess which structure?

Explanation:
The Cross-Body Adduction test specifically loads the acromioclavicular (AC) joint. By moving the arm across the chest, the examiner compresses the AC joint and the stretched ligaments, so pain felt at the AC joint during this maneuver suggests AC joint pathology such as a sprain or arthritis. That direct relationship between the motion and the joint being tested makes this test the best way to assess AC joint integrity. Other structures are typically stressed by different tests—supraspinatus tests target the rotator cuff, labral tests focus on the glenoid rim, and biceps tendon tests involve the long head of the biceps—so the cross-body adduction maneuver is most specific for the AC joint.

The Cross-Body Adduction test specifically loads the acromioclavicular (AC) joint. By moving the arm across the chest, the examiner compresses the AC joint and the stretched ligaments, so pain felt at the AC joint during this maneuver suggests AC joint pathology such as a sprain or arthritis. That direct relationship between the motion and the joint being tested makes this test the best way to assess AC joint integrity. Other structures are typically stressed by different tests—supraspinatus tests target the rotator cuff, labral tests focus on the glenoid rim, and biceps tendon tests involve the long head of the biceps—so the cross-body adduction maneuver is most specific for the AC joint.

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