Degenerative Changes in Asymptomatic Subjects: A Descriptive Study Examining the Supraspinatus Using Musculoskeletal Sonography in a Young Population.

As many as 96% of persons over age 50 years may have shoulder abnormalities involving the rotator cuff. Many of these individuals remain asymptomatic. In contrast, there is limited research into the prevalence of shoulder pathology in the younger asymptomatic population.