VO2 max is a measure of the maximum amount of oxygen the body can handle during intense exercise. A doctor explains how it's ...

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.

"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 ...

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 think about health metrics like your resting heart rate or heart rate ...