The Prone Hamstring Curl Machine exercise works your hamstrings.
-Now, we're gonna work our hamstrings on the prone leg machine. Lia has her feet positioned so that the head is just above the top of the sneaker and she is gonna point her toes downward so that she would reduces the activity in the calf muscles. She is gonna lift up and come as high up as she can and bring it down nice and smooth. Notice how her upper stays on the pad at all times. It's not moving. She is making controlled smooth motion, bringing it down, and squeezing her hamstrings at the top.