Torch calories with this 20-minute HIIT workout using dumbbells—low impact and no jumping! Perfect for a full body ...

15-Minute HIIT Workout: 5 exercises total 3 sets per exercise 40 seconds on, 20-second rest Equipment: None Workout: 3 rounds for 15 minutes, 40 seconds full-out, 20-second break Plank thrust, hop ...

With a 15-minute HIIT workout, you're maximizing your results by getting fit faster. “Beyond calorie burning, HIIT training makes you an all-around better athlete more quickly than many other ...