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The overhead throwing motion is used in numerous sports including track, football, and baseball. Among these sports, the baseball pitch is unique in the demands placed upon the shoulder. The forces created in the shoulder can potentially lead to pathology affecting the athlete's career. To enhance performance and decrease the risk of injury, it is important that the athlete participate in a year-round periodized program. Inappropriate or deficient training combined with the stress that the shoulder experiences during a season can lead to strains, impingement, tendon or labral tears, and instabilities.