Anatomy and Functions of the Quadriceps Femorii and Hamstrings

The video tutorial explains the functions and anatomy of two major muscle groups: the quadriceps femoris and the hamstrings. The quadriceps, located on the anterior thigh, are responsible for knee extension and consist of four muscles: rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. Exercises like leg presses and squats help strengthen these muscles. The hamstrings, located on the posterior thigh, facilitate knee flexion and include the bicep femoris, semitendinosus, and semimembranosus. Deadlifts are effective for strengthening the hamstrings due to their role in hip extension.

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