High-intensity interval training, or HIIT, is a great way to torch calories, boost your metabolism and get a great workout in a shorter amount of time. And if you're a fan of hopping on the treadmill ...

If cardio seems more like a chore and less like a fun sweat session, this 10-minute HIIT workout can help you switch it up. Presented by Allegra, this high-energy routine is a quick way to get your ...

Imagine driving a car and constantly switching between the gas pedal and brake. You waste a lot of fuel, which is a great way to slim down. And unlike steady exercise, which mostly builds endurance, ...

Sure, running is just as easy as putting on the right shoes and heading outside, but once you get into it, you start to see information in the form of acronyms, such as DNF (did not finish), FKT ...

These workouts also burn calories and improve fitness. One of Porcari’s studies found that the average boot-camper expended ...

Steady-state cardio may be more helpful for beginners looking to manage their weight, while HIIT is a great way to boost aerobic fitness quickly.