From beginner to six pack. Using your body weight and five resistance levels, it works upper abs, lower abs, and obliques. The five levels or resistance help build muscle from beginner to totally ripped six pack abs. Patented Gravitational Linkage System takes you through the perfect series of abdominal motions while sitting in an upright position (no strain on your neck!). Free Flow Swivel chair supports your back and transitions seamlessly from super crunches to obliques.Deeper crunches.Upper handles open the abdominal cage for the deepest ab-ripping crunch possible. Upper handles have comfort grips to ensure a secure hold through your entire two-minute workout. That s all it takes. Two minutes a day. Plus, the leg lift bar and foot platform help work those nearly-impossible-to-reach lower abs. Durably built of a solid steel frame, the heavy-duty foundation supports up to 300 lbs.Don t be shy about your midriff, order your Body by Jake The Solution from Brookstone today! *For adult use only. IMPORTANT: Individuals should consult with their physicians before beginning any new exercise program.