The Dual Functional Trainer Leg Curl/Leg Extension is a benchmark for excellence in strength machines. The back-pad adjustment and extended hand grips are designed to improve the convenience of changing your position from the seat. With the uniquely designed hand grips, it is easy to adjust and hold while you are focusing on training your lower body. Safety is our priority. The dual rail protection wheel equipped in this machine makes sure that you would not be injured from broken wires when you are on the machine.