A recent study from Australia suggests that high intensity interval training may be optimal for body composition in older adults, by helping to lose fat while preserving muscle.

If you’re looking to add some kick to your workout and save time while doing it, it's probably time to try a 15-minute HIIT workout. “HIIT, or high-intensity interval training, essentially means you ...

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 ...

Every so often, a new type of workout seemingly takes the fitness world by storm. The latest in this long line of buzzy fitness fads: the Norwegian 4x4 workout, a high-intensity interval training ...

If you’re looking to add some kick to your workout and save time while doing it, it’s probably time to try a 15-minute HIIT workout. “HIIT, or high-intensity interval training, essentially means you ...

Add Yahoo as a preferred source to see more of our stories on Google. Why people love short workouts — and how to get more out of them. (Getty Creative) (ABRAHAM GONZALEZ FERNANDEZ via Getty Images) ...

The beginning of a new year can wipe the slate clean for fresh life and work goals—but if your holidays were hectic, you might not be starting at zero when it comes to your sleep. Missing out on even ...