When you don't have much time to spare but want to squeeze in a workout, a 10-minute HIIT session can rev up your metabolism and burn calories. High-intensity interval training (HIIT) involves ...

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, ...

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 ...

You've likely heard all about the benefits of exercise for your heart, lungs and blood sugar. Basically, it does the whole body—and mind (thanks, endorphins!) good. However, you may have stopped using ...

HIIT routines are typically both high intensity and high impact. But you can still get the hard work while being easy on your body. By Jen Murphy High-intensity workouts are designed to be hard. The ...

This full-body routine fits into even the busiest schedule. This full-body routine fits into even the busiest schedule. Credit... Supported by By Hilary Achauer Videos by Theodore Tae You started the ...