But Zone 0 won’t get you there. To build VO2 max, you need to raise your heart rate with purposeful effort, whether through ...

Your VO2 max — a good indicator of cardiopulmonary fitness — isn’t static. It can be improved with consistent exercise or ...

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

I like to challenge myself physically, whether it’s working out, cycling or cross-country skiing. I’ve heard about VO2 max testing. What could I gain from it?

A mix of strength, easy cardio and consistency is all it takes to build a strong aerobic base ...

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A 26-year-old’s VO2 max is classed ‘excellent’ despite a non-extreme lifestyle. From interval runs to everyday walking, her ...

"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 ...

VO2 max is a measure of the maximum amount of oxygen the body can handle during intense exercise. A doctor explains how it's ...

VO2 max is widely regarded as a gold standard of aerobic fitness. It shows up on watches, in training apps and across social media as a benchmark for comparison. But the number that you’re seeing ...

Numerous factors play a role in athletic performance. But at the top of that list is VO2 max, a marker of cardiorespiratory fitness level. More specifically, VO2 max is a measure of the total amount ...