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 ...

Hardcore endurance athletes have tracked the metric for decades, but it is increasingly touted as a measure of fitness and health for the average person.

VO2 max is a trendy stat for measuring your fitness, and it can help improve longevity too. Having a higher VO2 max is good, but more important for health is how the number changes over time.

High-intensity interval training is important, but coming back to your breath can be crucial to helping you train.

EXPERT ADVICE: What exactly is VO2 max testing? Who needs it? And what are the benefits? Xpress catches up with Sean Simonds, clinic director for Movement for Life Physical Therapy, to find out. Photo ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Until recently, VO2 max testing has been inaccessible to most everyday athletes. Unless you had an in ...

Here’s a graph showing the fraction of workout time spent at above 90 percent of max heart rate (black bars) and above 90 ...

Ever wish you could breathe easier and sustain more intensity mid-workout? You may have overheard the term "VO2 max" at the gym or on a trainer’s social media page recently—but what is this fitness ...

Fitness is full of numbers meant to help you become faster and stronger. There’s your mile run time, your resting heart rate and measures of strength and flexibility. But perhaps the gold standard is ...

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 ...

Until recently, VO2 max testing has been inaccessible to most everyday athletes. Unless you had an in with an exercise physiology lab, you had to rely on back-of-the-envelope calculations or wearable ...