Credit: Shutterstock If you’ve ever done a high-intensity interval training (HIIT) workout, you know it’s no joke. Sprints, ...

Try this knee-friendly 35-minute workout, requiring no equipment, designed to burn calories and build strength safely.

In TODAY.com's Expert Tip of the Day, a trainer explains how incorporating HIIT into a weekly workout routine can boost one's ...

Participation in once-popular HIIT workouts is flagging. But experts say it’s still one of the best types of exercise you can ...

Everyone knows running burns a lot of calories. But if running is not your thing, it helps to know what you can do instead to ...

For athletes who are training for longer-distance efforts: You can incorporate power walks on days between heavy strength ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. You’ve got a lot of choices when it comes to weight loss ...

The Japanese walking method is gaining attention as a low-impact workout with huge benefits. Learn how the interval walking ...

Learn more about this metric and the best training sessions to add to your schedule to boost your cardio fitness.

High intensity interval training could be the secret to staying young. — -- Exercising by doing interval training, not weight lifting, could be the secret to staying young, according to a new ...