Precise pivot point alignment and center-drive, variable resistance cam design deliver the smooth and powerful response you expect. Recumbent DuraFirm back pad adjusts for all-size users and eliminates lower back strain while allowing full range-of-motion. Pop pin adjustable foot pads assure proper alignment. Hold down grips provide ultimate stability for a worry-free workout. No compromises here and this machine was engineered to deliver strength, comfort and safety.