Whether you work out at home or at the gym, these HIIT workouts for beginners will help you burn more calories in less time. A combination of cardio, weights, and quick, effective exercises, we’ve rounded up 10 fat burning high intensity interval training exercises that will give you a full body workout that delivers serious results. Sick of running on the treadmill or sweating through an hour on the elliptical machine? Challenge yourself to a 30-day HIIT challenge. You won’t regret it!