I'm what I call an "on-paper" athlete. I've been running for a decade, I regularly take weightlifting classes, and I finished a marathon. In my mind, I should be ripped, shredded — all the paper ...

"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.

Add Yahoo as a preferred source to see more of our stories on Google. VentriJect announces Seismofit wearable capable of measuring VO2 Max without exercise. Danish medical device spinout VentriJect ...

Most of us are curious about how fit we actually are. The gold-standard answer usually comes from a sports lab, where aerobic capacity and other markers can be measured directly. But there are also a ...

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.

A.V. Hill was a 4:45 miler and already had a Nobel Prize for work in muscle physiology when he and Lupton began studying VO2 max. The experiments involved subjects running around Hill’s back garden in ...

“VO2 max is the best measure of cardiorespiratory fitness,” says Andrew Getzin, MD, head team physician of USA Triathlon and sports medicine physician at Cayuga Health in Ithaca, New York. “To have a ...