What is the best way to diagnose a suspected rotator cuff tear

The evaluation of a suspected rotator cuff tear should start with a history and a clinical exam of the shoulder (strength of recommendation [SOR]: B, based on a systematic review of cohort studies). Three clinical test results in particular--supraspinatus weakness, weakness of external rotation, and impingement--or 2 positive tests for a patient older than 60 years were highly predictive of rotator cuff tear (SOR: B, based on individual...