High-intensity interval training (a.k.a., HIIT) is a triple threat: “It’s quick, easy, and effective,” says Angela Gargano, a certified trainer and creator of Strong Feels Good & Pull-up Revolution.

High-intensity interval training, or HIIT, is a great way to torch calories, boost your metabolism and get a great workout in a shorter amount of time. And if you're a fan of hopping on the treadmill ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Sprint interval ...

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 ...

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 ...

Get all latest & breaking news on High Intensity Interval Training. Watch videos, top stories and articles on High Intensity ...

One-minute, short bursts of high-intensity interval training for 19 minutes may be more effective for improving fitness among people six months or more after a stroke than traditional, 20-30 minutes ...

The promotion of high-intensity interval training (HIIT) for public health is a lightning rod for debate, especially from its staunchest critics within the scientific community. Now researchers at UBC ...