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Get ripped, flat abs in 6 weeks with America’s toughest trainer, Jillian Michaels. Forget boring sit-ups – Jillian’s ab-shredding system will chisel the midsection with her winning combination of core-focused cardio circuits and ab-toning exercises. 6 Week Six-Pack includes two dynamic 30-minute workouts plus warm-ups and cooldowns. Start with Level 1 for three weeks, then advance to Level 2 for increased intensity and fat burn. Stick with it and see dramatic results!