Multi-Prone Leg Extension and Curl MachineThe inflight fitness leg extension and curl machine is the combination of two great exercises into one useful machine.Quickly switch between weights for leg curls and for leg extensions.Why have two separate machines when the technology and design from inflight fitness offers both exercises in one machine.This will not only save you the money from buying another machine, but it will save you space in your commercial or home gym.Prone Leg Extension and Curl Features:Rollers automatically adjust for great