Losing weight and gaining muscle are two major feats in and of themselves, but if your goal is to achieve both at the same ...

These workouts from Woods will teach your bod to fire on all cylinders. On the effort scale of 1 to 10, 10 is your all out ...

Sprints can be completed for just a few seconds to a couple of minutes. The key with interval running is to get your heart rate towards 90% of your maximum during the “intense” part to get the most ...

As HIIT's popularity soars, sprint interval training, or SIT, is doing its best to catch up. Can shorter, harder, faster deliver better results? As the popularity of HIIT continues to soar, sprint ...

Tabata workouts are short, intense exercises that require pushing yourself to the limit. Here's how to do Tabata-style exercises at any fitness level.

No time to work up a sweat? Try Kristen Bell's go-to workout that only takes a few minutes of your day. “I don’t have an hour and a half—I have 25 minutes, max. I sprint up my driveway, walk back, ...

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 ...

When people say they need to get faster at running, it can mean multiple types of running workouts required to build a base of endurance, a set mile pace and sprinting as fast as possible. The ...

If you’re a newer runner, you’ve likely been bombarded with training plans discussing time on your feet and working on building up endurance and mileage. Maybe you’ve even heard about the benefits of ...

Not all of us can find time for a long gym workout or a run. But do small bursts of activity have the same effect?