228 One Year Postoperative Outcomes Suffice: Assessing the Clinical Relevance of PROMs Beyond the First Year Following Arthroscopic Rotator Cuff Repair

229 Lower Trapezius Tendon Transfer versus Reverse Shoulder Arthroplasty for Massive Irreparable Rotator Cuff Tears: An in-vivo Scapulohumeral Rhythm Dynamic Radiography study