Known as one of America's toughest trainers, Jillian Michaels offers an abdominal workout that features both core-focused cardio circuits as well as more traditional abdominal exercises. The program includes two dynamic 30-minute workouts meant to be implemented over a six week period. Tracie Cooper, Rovi
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Known as one of America's toughest trainers, Jillian Michaels offers an abdominal workout that features both core-focused cardio circuits as well as more traditional abdominal exercises. The program includes two dynamic 30-minute workouts meant to be implemented over a six week period. Tracie Cooper, Rovi
Read Less