3.Frequent breaks, rest between sets and workouts do not help to become slimmer. Coach actress Katherine Heigl and singer Alicia Keys, Harley Pasternak, has developed a special system that allows you to avoid frequent interruptions. To warm up, he proposes to use cardio, followed by strength exercises to train the muscles of the upper body. After follow exercises for the lower body. Ends cardio exercise or jump rope. Coach offers active rest between sets – to walk or jump. In addition, this approach reduces the load on the heart.