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A new performance marker is changing how men train, recover, and measure true fitness.
VO2 max is a measure of the maximum amount of oxygen the body can handle during intense exercise. A doctor explains how it's ...
Linda Kelly is 80 years old. She's as fit as someone decades younger and has an elite-level VO₂ max. Her easy daily habits ...
Train it now to improve longevity, or watch it decline over time.
Being strong doesn’t necessarily mean you’re fit anymore. You can put up big numbers in the gym, look the part, and still ...
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Scientists have found that cardiorespiratory fitness, specifically, your VO2 max, which measures how efficiently your body ...
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 ...
VO2 max is often referred to as a key marker of fitness. It’s the measure of the maximal amount of oxygen your cells can take in and use during exercise. Because VO2 max is so closely tied to running ...
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Running at the best of your ability is somewhat of a numbers game. To hit new PRs, you’ll want to keep ...