Running at the best of your ability is somewhat of a numbers game. To hit new PRs, you’ll want to keep tabs on all kinds of stats, like distance covered, pace per mile (or interval), max heart rate, ...

High-intensity interval training is important, but coming back to your breath can be crucial to helping you train.

Ever wish you could breathe easier and sustain more intensity mid-workout? You may have overheard the term "VO2 max" at the gym or on a trainer’s social media page recently—but what is this fitness ...

A higher VO2 max translates directly into enhanced physical performance across various activities. This improved oxygen utilization capacity manifests in multiple ways. Athletes with higher VO2 max ...

Whether you are already following a workout regimen or you are just starting your fitness journey, a challenge can be a fun way to spice things up. As a personal trainer, I have had many clients who ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." I've never been one for New Year’s resolutions (too much pressure and January 1 feels like an arbitrary ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's ...