آیا کاف روتاتور دژنراسیون باعث علت درد شانه می شود؟ مقایسه شیوع بیماری کاف روتاتور دژنراتیو با شیوع درد شانه بدون درماتیت در سه بازه منظم و انتقادی

The profile of age-related degenerative rotator cuff disorders fails to correlate systematically with self-reported nontraumatic shoulder pain, particularly in older age; thus, it appears that degeneration should not be considered the primary source of the pain. Physical activity may play an important role in the production of the pain, a theory that warrants further study.