In this workout, you will complete 5 supersets with toning finishers. HIIT workouts combine a series of short duration, high-intensity exercises followed by lower intensity intervals of active recovery. This type of training will get your heart rate up and burn more fat in less time, including an afterburn effect that will help you burn more calories than traditional cardio. Join Grokker Fitness Expert Kelly Lee as she leads you through seven HIIT workouts each targeting a different body part. W