The Ab Lounge Abdominal Exerciser is a revolutionary new ab machine that tightens and tones upper and lower abs and obliques faster than you ever imagined possible! The machine works your abdominal muscles with a fuller range of motion than crunches or sit-ups, and the fuller the range, the longer your abs are toning and tightening. The Ab Lounge also strengthens your back muscles where your functional strength originates. A stronger core gives you greater everyday strength, with less strain on your body and back. Built to last with a rolled steel frame, the Ab Lounge can support up to 250 lbs.