In fact, you can easily build muscle, increase your endurance and boost your metabolic rate by incorporating simple, strength-training movements into your fitness routine. We all know that walking is great for your health and jogging has its place, too but if you really want to boost your metabolism and build muscle, you must go hard and get sprinting. There are many tough sprinting workouts you can do, but here are six different sprint-based workouts that will get your blood pumping.
