For fitness enthusiasts who need a little cardio variety, HIIT (or high-intensity interval training) has long been a popular choice. According to a study in Biology of Sport, HIIT — which pairs short ...

Treadmills and ellipticals are two extremely popular machines you can use at the gym or buy for your own home.

This is what I learned after testing under-desk treadmills from both Egofit and Costway, and whether I'd recommend one.

This 4-minute routine is designed to push your heart rate up, engage multiple muscle groups, and maximize fat loss. Unlike steady-state cardio, which primarily burns calories only during the workout, ...

Best HIIT trainers for grip, speed and to protect your joints - Because HIIT is hard enough without the right footwear, shop ...

Short activity breaks throughout the day together with high-intensity interval training (HIIT) every other day can counteract ...

The 24-hour treadmill run left Joe Pritchard collapsing twice—now his shocking recovery is raising money online.

A trampoline workout can get your heart rate up, boost strength, and improve your balance. Here's what happened when I did it ...

A trainer tried 5 viral gym-free workouts. Only one delivered consistent, balanced, and sustainable results all week.