"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." FOR ABOUT A a year, an exercise physiologist I know kept offering to do a VO2 max test on me. For more ...

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

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 ...

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.

Running to the best of your ability can feel like a numbers game. To hit new PBs, you’re probably under the impression that you should keep tabs on all kinds of ...

CU Anschutz sports cardiologist William Cornwell, MD, says there are meaningful benefits for every person knowing how much oxygen they absorb during exercise University of Colorado School of Medicine ...

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 ...