Researchers delved into muscles to figure out why intensive bursts of exercise are as effective as long term workouts ...

High-intensity interval training (HIIT) has emerged as a highly efficient exercise strategy that encompasses repeated bouts of vigorous effort interspersed with recovery periods. This method has ...

Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's Health+ Ultimate HIIT Challenge is a week-long program that combines high intensity interval training ...

I recently decided to completely switch up my half marathon training. I swapped miles for time-based training runs, and because I’ve never been much for speedwork outside my high school cross-country ...