VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push yourself. Short for “maximal oxygen uptake,” it’s been the gold standard for ...

Unlock a longer, healthier life by understanding your VO2 max, a key indicator of oxygen utilization during exercise. Experts ...

Add Yahoo as a preferred source to see more of our stories on Google. VO2 max testing requires a mask to measure oxygen intake and carbon dioxide output to determine your cardiovascular fitness.

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 ...