A simple 5-minute power test and a bit of mathematics will spare you a costly trip to a performance lab for specialist VO2 ...

If it seems like everyone in your run club is talking about VO2 max these days, we wouldn’t be surprised. This metric—which is essentially a measure of your cardio fitness—is a zeitgeisty topic, ...

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

Uncrowned is a new destination for all things MMA, boxing, wrestling, and more, featuring Ariel Helwani. Yahoo Racing is powered by Motorsport Network, providing expert reporting, analysis, and ...

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 ...

When you think about how fit you are, you might think about how far you can run or how many push-ups you can do. Or maybe you think about health metrics like your resting heart rate or heart rate ...

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. Plenty of fitness ...

First, let’s look at the term itself. “V” stands for “volume.” “O2” stands for “oxygen.” And “max,” of course, means “maximum.” Put together and given context, VO2 max refers to the maximum volume ...

Until recently, VO2 max testing has been inaccessible to most everyday athletes. Unless you had an in with an exercise physiology lab, you had to rely on back-of-the-envelope calculations or wearable ...

In one clip, he’s standing on a treadmill in a lab with his face covered by a mask and eyes on a monitor displaying his performance. The display shows his VO2 max at 101.1. To put that into ...