No single physical sign or test has been shown to have both great sensitivity and specificity for SLAP tears. In O’Brien's active compression test, the patient stands upright with the affected arm flexed 90° and adducted 15° medial to the sagittal plane of the body. With the arm internally rotated, the examiner pushes the arm downward. The test is then repeated with the forearm in maximal supination. A positive test result is recorded when pain elicited by the first maneuver is decreased by the second maneuver Figure 2).
: O’Brien's test by having the patient elevate the arm to 90° and adduct 15° across the body. With the patient’s arm internally rotated/pronated (thumb pointing down), the examiner pushes the arm downward (arrow). The test is deemed positive if this force is more painful than the same force applied with the patient’s arm supinated.
Isolated degenerative disease of the proximal biceps tendon presents with symptoms similar to rotator cuff disorders, but with the pain sometimes located in the bicipital groove.