Ease into exercise with “Japanese walking,” a popular 30-minute interval training regimen that alternates bursts of speed with a walk at a normal pace.

The hallmark of HIIT is repeated bouts of extremely hard work interspersed with periods of recovery. During your work intervals, you’ll be pushing yourself nearly to your max, Noam Tamir, CSCS, ...

Dear Doctor K: What is interval training? What are the benefits of exercising this way? Dear Reader: Interval training simply means alternating between short bursts of intense exercise and brief ...

The Norwegian 4x4 method involves high-intensity exercise for four minutes followed by three minutes of active recovery, ...

We all grow older. There is nothing we can do about that, but the quality of those years is within our control, as recent ...

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 ...

HIIT workout founded by a Japanese Olympic coach that uses periods of intense exercise and rest to burn calories.

REHIT is also ideal for people who are experiencing a weight-loss plateau, Mansour says. If you do a lot of high-intensity workouts without much rest, you're likely taxing your body more than you need ...

Used by elite athletes in Olympic-level sports, Tabata training is a form of HIIT training that Izumi Tabata developed at the National Institute of Fitness and Sports in Japan in the early 1990s. He ...