While the majority of people know exercise is important for their health, they are constantly battling against the clock. Many people say they don't have enough time to exercise or can’t get to the ...

We've all been there: obsessed with one specific workout, whether it's a so-hard-it-hurts HIIT class, a makes-your-bod-rock ...

YOU KNOW YOU need muscle... and you need to burn calories. Everyone needs more strength, too—and we can all use a little more athleticism. But you don’t have hours upon hours upon hours to chase all ...

Lack of time is often the main reason people don't exercise regularly. But a type of interval workout recently popularized by ...

New research shows the 4x4 workout format can improve fitness faster than traditional workouts, such as jogging or cycling ...

High-intensity interval training is one of the best ways to pack a lot of exercise into a short period of time. HIIT workouts are so efficient because they alternate short bursts of very intense ...

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 ...

People with chronic health issues that make it challenging to exercise may benefit from high intensity interval training (HIIT) workouts done in a swimming pool, a new study suggests. While HIIT ...

Tabata is a type of high-intensity interval training workout developed for Japanese Olympians. A Tabata workout consists of 20 seconds of intense exercise followed by a 10-second rest period. You can ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." High-intensity interval training (otherwise known as HIIT) may sound, well, intense. And it can be. But ...

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. High intensity ...

A couple of years ago, I wrote an article about the fine-grained nuances of interval training. According to Paul Laursen and Martin Buchheit’s telephone book of a text, Science and Application of High ...