HIIT workouts can boost your metabolic rate (helping you burn more calories throughout the day). And science backs up this ...

YOU KNOW YOU need muscle... and you need to burn calories. Everyone needs more strength, too—and we can all use a little more athleticism. But you don’t have hours upon hours upon hours to chase all ...

Cardio is more enjoyable when you can take a run in a beautiful location or take your time riding your bike around. However, that's not always an option. This is why high-intensity interval training ...

High-intensity interval training—HIIT for short—is an important part of many training programs, and for good reason. Making interval training a regular part of your fitness regimen provides a laundry ...

HIIT, planks, and functional exercises dominated, while wearables tracked progress, helping busy adults achieve real results ...

HIIT workouts are meant to be fast and furious. They rely on explosive exercises like burpees, high knees, kettlebell swings, sprints, and other moves that spike your heart rate and make you sweat — ...

Whether you're looking for HIIT, yoga, ab workouts, or cardio classes, our list of the best YouTube workouts will have you feeling the burn.

Hedy Phillips is a freelance lifestyle writer based in New York. While she's not writing on topics like living on a budget and tips for city dwelling, she can usually be found at a concert or ...

High-Intensity Interval Training (HIIT) alternates short bursts of near-maximal effort with periods of rest or low-intensity recovery. Because it pushes both the cardiovascular and muscular systems, ...

A head trainer breaks down why common training shortcuts in your 30s often come back to haunt you years later.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's ...