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

Danish medical device spinout VentriJect aims to revolutionise fitness assessment by providing a fast and accessible method for measuring cardiorespiratory fitness (CRF), particularly VO2 max.

On TikTok, VO2 max is going viral as the key to improving your endurance during a workout. In short, you can think of this metric as the maximum amount of oxygen your body uses during exercise – V ...

So you just got your VO2 max number by charting it on your watch, estimating your number at home, or even heading to a lab for a more formal test … but now what? You have that shiny number in hand, ...

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 ...

"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 ...

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 ...

Learn more about this metric and the best training sessions to add to your schedule to boost your cardio fitness.