Abnormal shoulder physiology Positive shoulder cross-body adduction test 2025-10-05T16:01:13Z A test used with suspected chronic acromioclavicular joint lesions (which are a common source of pain and disability in the shoulder). The test is considered positive with pain in the ipsilateral acromioclavicular joint when patient straightens the affected arm forward and reaches for the contralateral shoulder with extra manual cross body (adduction) pressure on the arm from the examiner. Positive scarf test