VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

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.

Colvin says to measure VO2 max you’ll need to be in an exercise medicine lab or a doctor’s office that offers the test. The ...

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

Plenty of fitness trackers these days will tell you your VO2max, sometimes referring to it as a “cardio fitness” score or telling you that you’re fitter than a certain percentage of the population.

Plenty of research touts the importance of cardiorespiratory fitness (CRF)—also known as cardio fitness, cardiovascular endurance, and aerobic fitness—as a health marker, as well as an athletic ...

Vanessa is a lead writer at CNET, reviewing and writing about the latest smartwatches and fitness trackers. She joined the brand first as an on-camera reporter for CNET's Spanish-language site, then ...