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 ...

Add Yahoo as a preferred source to see more of our stories on Google. VO2 max testing requires a mask to measure oxygen intake and carbon dioxide output to determine your cardiovascular fitness.

Maybe your smartwatch has been telling you your VO2 max for a while now, but you’re not sure how accurate it is. Or maybe you’ve recently been targeted by social media ads for fancy running labs ...

If you wear a running watch, you might have noticed a function that estimates your VO2 max score. If your running is in a good place, you might have seen this number rise over the past few months or ...

Many people enjoy running for the endorphins and sense of achievement rather than the statistics. For several runners, though, taking stock of their fitness metrics is part and parcel of the process, ...

This easy test can help you get a gauge on your VO2 max—without a watch.

Studies consistently show that high-intensity interval training is one of the fastest ways to raise VO₂ max. Short bursts of ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Until recently, VO2 max testing has been inaccessible to most everyday athletes. Unless you had an in ...

Fitness is full of numbers meant to help you become faster and stronger. There’s your mile run time, your resting heart rate and measures of strength and flexibility. But perhaps the gold standard is ...

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 ...

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 ...