Get ripped, flat abs in six weeks with America's toughest trainer, Jillian Michaels. Forget boring sit-ups; Michael's ab-shredding system will chisel the midsection with her winning combination of core-focused cardio circuits and ab-toning exercises. Includes two dynamic 30-minute workouts plus warm-ups and cool downs. Start with Level one for three weeks, then advance to Level two for increased intensity and fat burn. Stick with it and see dramatic results!