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 ...

Which exercise is superior for improving mitochondrial functioning? Which exercise results in the most dramatic positive ...

Ready to torch calories in less than 30 minutes? This high-intensity interval training (HIIT) session is designed to help you ...

Researchers from The University of Queensland examined 194 adults aged 65 - 85 with no signs of cognitive decline. Participants were assigned to a low-intensity, moderate-intensity, or HIIT workout ...

If you don't have a ton of time to exercise and want to make the most of the few minutes you're able to squeeze in, HIIT workouts are for you. There are minimal rests during HIIT workouts, and even ...

But HIIT is tricky because, as Paul Laursen, Ph.D., co-founder of HIIT Science points out, there are so many different workouts that people refer to as HIIT. Bootcamp-style workout classes like ...

You can always rely on a high-intensity workout to leave you feeling sweaty and exhausted. But a longer workout isn't necessarily better. And a new approach that's gaining fans on social media only ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." WHETHER YOU'RE A group fitness junkie or just exercising to be healthy and active, you've doubtlessly ...

The cardio world has split into two passionate camps that argue with the intensity of people debating pineapple on pizza. On one side, you have the HIIT devotees who swear by short, brutal workouts ...