Get a firmer, flatter stomachthree levels of fitness on this ab machine, so it’s perfect for any fitness levelunique patent-pending friction free track gets users off the floor to work out their abswith a simple change of pin, this ab workout machine becomes a bun and thigh exercise machinemade with gym-quality steel and built to lastfolds for easy storage under a bed or in a closetquick and easy set-up in less than 10 minutessit up/crunches abspumpssheathingscissiorsarm biceptricepsknee risepedaling and cycling