Empty Can Test indicates pathology of which tendon?

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Study for the NATA BOC Domain 2 Clinical Evaluation and Diagnosis Test. Utilize our comprehensive flashcards and multiple-choice quiz features; each question comes with hints and thorough explanations. Prepare effectively for your certification exam!

Multiple Choice

Empty Can Test indicates pathology of which tendon?

Explanation:
The Empty Can Test is designed to stress the supraspinatus tendon. Positioning the arm about 90 degrees in the scapular plane with the thumb pointing downward makes the supraspinatus the primary worker in initiating abduction, while the deltoid’s contribution is minimized. A weak response or pain when downward resistance is applied indicates supraspinatus tendon pathology, such as tendinopathy or a tear. This is why it’s the best test for supraspinatus involvement. The other rotator cuff tendons are better assessed with different maneuvers: resisted external rotation targets the infraspinatus, tests like internal rotation against resistance or lifting off diagnose the subscapularis, and specific external rotation or related maneuvers assess teres minor.

The Empty Can Test is designed to stress the supraspinatus tendon. Positioning the arm about 90 degrees in the scapular plane with the thumb pointing downward makes the supraspinatus the primary worker in initiating abduction, while the deltoid’s contribution is minimized. A weak response or pain when downward resistance is applied indicates supraspinatus tendon pathology, such as tendinopathy or a tear. This is why it’s the best test for supraspinatus involvement. The other rotator cuff tendons are better assessed with different maneuvers: resisted external rotation targets the infraspinatus, tests like internal rotation against resistance or lifting off diagnose the subscapularis, and specific external rotation or related maneuvers assess teres minor.

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