5 Workouts, 5 Burnouts that target a certain area of the body. Loads of AB WORK. This is a wonderful series for anyone getting into shape for the first time, or getting back into high intensity interval training (HIIT) after an absence. Deanna, who was an avid BodyRocker we wished to spotlight with her own series, is an excellent trainer to get you motivated. HIIT is 9 times more effective than running or biking, and it burns 12 calories a minute. Start today!