We could all use another HIIT workout in the rotation. This one’ll empty your tank in 20 minutes flat, and only requires dumbbells. In a time when we’re prioritizing workouts we can squeeze ...

Designed to be done in 15 minutes, these exercises are ideal for busy guys. Sure, HIIT workouts can help you burn fat faster—but that's not the only reason to work interval training into your ...

HIIT burns many calories while you work out—and even after you finish! Get ready to sweat because we spoke with a fitness pro ...

Enter Ultimate HIIT. Our newest training program delivers four 20-minute-or-less workouts that leverage the science-backed high-intensity interval training protocol to torch calories and build muscle, ...

Base HIIT is a high intensity interval training (HIIT) workout utilizing the Nationals Park field, warning track, bullpens and stadium steps. The workout is specifically designed for military service ...