Various theories exist regarding the mechanisms of stiff shoulder (SS). Potential etiological factors are adhesive capsulitis, [1] decreased capsular volume, [2,3] capsular contractions, [4] rotator ...

1 Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul, Korea 2 Department of Orthopaedic Surgery, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada ...