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Semitendinosus Muscle: Anatomy, Function, Clinical Relevance, and Rehabilitation Introduction The semitendinosus muscle is one of the three hamstring muscles located in the posterior compartment of the thigh. It plays a crucial role in lower limb movement, especially in knee flexion, hip extension, and dynamic stabilization of the pelvis during walking, running, and jumping. Its name “semitendinosus” refers to its long, cord-like tendon that extends distally, making it an important structure both anatomically and clinically. The muscle is often involved in sports-related injuries, especially in athletes who require explosive sprinting or sudden directional changes. Understanding its anatomy, function, and clinical significance is essential for physiotherapists, sports medicine practitioners, and orthopedic specialists. Anatomy of Semitendinosus Muscle Origin Ischial tuberosity of the pelvis (shared origin with the long head of biceps femoris). Insertion Medial surface of...