Professional triathlete Kristian Blummenfelt registered a mind-bending score.

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.

When it comes to understanding your fitness and overall health, VO2 max is often heralded as the most important metric. So if you notice a decline in your VO2 max, it’s only natural to be ...

I was having a great conversation with one of our fit, longtime members about VO2 max. I told him that I should do a column on it. When you Google VO2 max, it states: VO2 max is the measure of the ...

VO2 max, the measure of how much oxygen the body consumes during exercise, has become a ubiquitous tool for professional athletes, but health experts increasingly say it's a measurement worthy of ...