Shoulder Strength in Baseball Players

The purpose of this graduate student research study is to transform the existing concepts surrounding shoulder strength in baseball players, particularly in the context of retroverted shoulders.

Inclusion Criteria: * Able to participate in baseball activities * All races and ethnicities. * Speaks and understands English or Japanese. Exclusion Criteria: A diagnosis of a current injury that prevents participation in baseball activities. * Orthopedic conditions (e.g., muscle strain, ligament sprain) * Vascular history (e.g., blood clots, vascular surgery, varicose veins) * Neurological history (e.g., stroke, nerve injury, or cognitive impairment) * Cardiopulmonary conditions (e.g., hypertension, heart disease) * Any history of bleeding or clotting disorders * Diabetes, cancer, rhabdomyolysis, or compartment syndrome * Additionally, not maintaining participant's regular diet on the day of the research will also impact eligibility.