Shoulder Assessment Series Part 9: Jobe / Empty Can Test The Jobe or Empty can test is one of the standard tests to assess for Shoulder Assessment Syndrome. You would expect it to be positive with (external) subacromial shoulder impingement syndrome and negative with internal posteriosuperior glenoid impingement according to Cools et al. (2008). The test is also used to assess a lesion of the supraspinatus tendon together with the Full Can Test. | Physiotutors | Facebook

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LATEST UPLOADS 3/20: WHY 'CAN TESTS SUCK' - AND A BETTER ALTERNATIVE TO TEST THE ROTATOR CUFF MUSCLES Nearly all of us have learned the 'empty can' (EC) and 'full can' (FC) in order to selectively test the supraspinatus. But are those tests actually able to isolate the supraspinatus muscle that well? Boettcher et al. (2009) examined the EMG activity of 13 muscles in 15 normal subjects and found that the EC test also equally activated nine other shoulder muscles "It was concluded from these resul