Discussion on Etiology & Natural History of Rotator Cuff Tears:
Rotator cuff pathology can be caused by extrinsic or intrinsic causes. Extrinsic examples include a traumatic tear in tendons from a fall or accident. Overuse injuries from repetitive lifting, pushing, pulling, or throwing are also extrinsic in nature. Intrinsic factors include poor blood supply, normal attrition or degeneration with aging,