Yergason's Test | Rationale & Interpretation

Yorgason's test is used to detect superior labral tears, SLAP tears, and bicipital tendonitis. The test involves positioning the patient with the elbow flexed and forearm pronated, followed by resisted forearm supination. A positive result is indicated by either protrusion of the bicipital tendon or reproduction of familiar shoulder pain. The test has a sensitivity of 43% and specificity of 79%, and is often used in conjunction with Speed's test for better diagnostic accuracy.

Explain the significance of the transverse humeral ligament in Yorgason's test.

What are the psychometric properties of Yorgason's test?