Early arthroscoPic Stabilization veRsus rehabilitatiOn of the Shoulder in Adolescents With a trauMatic First-time Anterior Shoulder Dislocation ePisode.

Exclusion Criteria

• •1. Previous dislocation episodes or instability of the affected shoulder
• •2. Previous surgeries involving the affected shoulder
• •3. History or clinical exam findings of generalized ligamentous laxity (defined as a Beighton score of 4 or more points)35
• •4. History of multi-directional instability of either shoulder
• •5. Concomitant fracture of the tuberosity, humerus, or glenoid (excluding a Bankart or Hill Sachs lesion)
• •6. Bony Bankart lesion exceeding 15% of the glenoid surface (using the best-fit circle method on MRI)36
• •7. Hill Sachs lesion exceeding 15% of the humeral diameter (Measured on transaxial slice of MRI similar to Salomonsson et al.)37
• •8. A neurological injury of the affected arm
• •9. Patients who will likely have problems, in the judgement of the investigator, with maintaining follow-up
• •10. Any other reason(s) the investigator feels is relevant for excluding the patient