S1, E2: This HIIT workout is brutal but ideal for fat loss, as it burns calories fast. The HIIT method makes sure that your metabolism is increased even hours after the workout.You'll exercise for 50 seconds with 10 seconds rest in between. Build and tone your entire body. Enjoy (just kidding) the innovative combinations to spice up mundane, average moves from one of the best motivational trainers. Make sure to replenish your body with a nutritional meal right away.