Plus, exactly how to get results from whatever activity you love to do.

As a personal trainer, I frequently am asked by my clients about the exercises that burn the most calories. I usually respond by explaining that other indicators — like strength, endurance and heart ...

Here's how to optimize your workouts and lose weight sustainably.

Personal trainers recommend the best cardio exercises for weight loss. They also share the benefits of cardio, and how to ...

In the fitness world, there’s a saying that the “best” type of exercise is the one you will do most often. Whether you’re beginning a new exercise program, returning after some time away or simply ...

Wondering how climbing stairs compares to other workouts? It’s one of the more challenging workouts you can do.

Though bodybuilders and runners usually take different approaches towards physical fitness, each gets something positive out of their efforts. "The most important exercise for each person is the ...

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. One of the benefits of ...

Though bodybuilders and runners usually take different approaches towards physical fitness, each gets something positive out of their efforts. "The most important exercise for each person is the ...

Discover five easy exercises perfect for your 20s to stay active, build strength and burn calories effortlessly. A simple ...