Acromioclavicular Joint Compression Test (AC Shear Test)

Testing position: The patient is seated or standing. Examiner places one hand on the clavicle and the other on the spine of the scapula. Pressure is applied in anterolateral direction, squeezing the hands.
Expected Findings: Pain or movement of the clavicle indicates acromioclavicular or coracoclavicular ligament pathology. Test may also be positive in labral tears.