The Shoulders of Professional Beach Volleyball Players High Prevalence of Infraspinatus Muscle Atrophy

Background: Beach volleyball is an Olympic overhead sport. It is not well known which clinical and imaging findings are normal and which are associated with symptoms. Hypothesis: There are typical clinical and imaging findings in the hitting shoulders of fully competitive professional beach vol-leyball players, as compared with their nonhitting shoulders. Study Design: Cross-sectional study; Level of evidence, 3