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 will keep you moving toward your health goals this holiday season — without requiring a ton of time!

Those mid-class sprint intervals are tough. But experts break down whether they really get you ready for race day.

Try this full-body standing HIIT workout—no equipment needed! Burn fat, boost endurance, and tone muscles in a quick, ...

But how many of these sessions do runners need to do each week to get a meaningful aerobic boost? The answer, according a new ...

If you've bought into the hype and you don't need to do anything other than High-Intensity Interval Training (HIIIT) to stay healthy and fit, there’s a good chance you're missing out on your goals and ...

HIIT involves short bursts of intense workouts followed by brief rests. Read on to know some of the best HIIT exercises for ...

High-Intensity Interval Training (HIIT) alternates short bursts of near-maximal effort with periods of rest or low-intensity ...

HIIT safely improves aerobic capacity and muscle endurance in newly diagnosed inflammatory muscle disease patients.

The cardio world has split into two passionate camps that argue with the intensity of people debating pineapple on pizza. On one side, you have the HIIT devotees who swear by short, brutal workouts ...