Valentine’s month is usually about dinners, gifts, and movie dates, but why not add fitness to the celebration this year? Exercising with your partner is not just good for your health, but also ...

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. So where should you ...

Running is the workout most synonymous with cardio, however, there are so many ways to get in a solid aerobic workout (and even have it combined with strength training). In terms of the best cardio ...

Don’t hang up those running shoes just yet.

If you want to boost your cardio fitness, you’ve got two ways to level up your workouts: push harder or faster, or keep at it for longer. Each option comes with its own challenges. The first can ...

There’s a pervasive mentality in the fitness world that the best workouts leave you soaked in sweat and gasping for air. Popular phrases like “no pain, no gain” and “sore today, strong tomorrow” ...