Hardcore endurance athletes have tracked the metric for decades, but it is increasingly touted as a measure of fitness and health for the average person.

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 ...

EXPERT ADVICE: What exactly is VO2 max testing? Who needs it? And what are the benefits? Xpress catches up with Sean Simonds, clinic director for Movement for Life Physical Therapy, to find out. Photo ...

If you're a fitness fiend or working to improve your health, you're probably always looking for ways to run faster and farther, train harder and push your limits. You might even already track a number ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Shutterstock VO2 ...

Damn those thin mint Girl Scout cookies. No sooner had I taken what’s known as a VO2 Max test, learned that my physical fitness had slipped over the winter and resolved to get back into shape than ...