Hammer Strength Leg Curl- Plate Loaded.
Leg curl and leg extension machines both exercise your legs, but each works muscles on different sides. Using a leg curl machine involves loading the muscles in the back or posterior of the leg. You either sit or lie down for this exercise, depending on the machine you use to bend your knee, or knee flexion. The leg extension machine involves straightening your leg against resistance and working the muscles on the front or anterior of the leg