A few of the calories burned due to high intensity intervals come from a higher metabolism, which lasts for several hours just after exercise. You may also mess around with which two variations you use, like accomplishing double actions instead of sprints, or maybe aspect steps instead of sprints. Notes: https://hiit-fat-burning-workouts50625.creacionblog.com/26617456/the-best-side-of-extreme-fat-burning-workouts