A weight training device designed to isolate and strengthen the hamstring muscles at the back of the thigh. These muscles include the biceps femoris, semitendinosus, and semimembranosus. While the hamstrings are the primary focus, the glutes and calves may be secondarily involved in stabilizing the body during the exercise. sus, and semimembranosus. While the hamstrings are the primary focus, the glutes and calves may be secondarily involved in stabilizing the body during the exercise.
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