Purpose of Jerk Test: To test if there is a posteroinferior instability of the glenohumeral joint, indicating a torn posterior or posteroinferior labrum. Patient position: Sitting with the affected ar...
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Purpose of Jerk Test: To test if there is a posteroinferior instability of the glenohumeral joint, indicating a torn posterior or posteroinferior labrum. Patient position: Sitting with the affected ar...