High-intensity interval training (otherwise known as HIIT) may sound, well, intense. And it can be. But it can also be highly beneficial, including for women over 50. The training modality has other ...

Join FUNfitt Women for an intense 12-minute cardio HIIT workout designed specifically for women who want to lose fat fast and smart. This high-intensity interval training routine maximizes calorie ...

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 ...

Julia Sullivan is a health and fitness writer, editor and content strategist well as a certified personal trainer. Her byline is in many publications from Harper's Bazaar to SELF Magazine to brand ...