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 ...

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

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 ...

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 ...

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