Interval training puts your heart to its most optimum use. Interval training is a high intensity workout for a short duration followed by a low intensity rep of the same without a halt. This keeps the muscles moving. While the low intensity part is under process, the muscles also get time to relax after the high intensity workout. Balance the symmetry of your sweat glands by working them at all extremes. So it gets very clear as to what workouttrends.com would prepare you with by making you access those interval training workouts.