VO2 max testing requires a mask to measure oxygen intake and carbon dioxide output to determine your cardiovascular fitness. When you think about how fit you are, you might think about how far you can ...

Your VO2 max—a measure of strength—can tell you a lot about how you’re aging. Here’s how to calculate it without going to a ...

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 ...

"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 ...

After running for over a decade, I wanted to see how healthy my heart is. I got an active metabolic assessment at Life Time, measuring my VO2 max and heart rate. I also learned which running speeds ...

If you wear a running watch, you might have noticed a function that estimates your VO2 max score. If your running is in a good place, you might have seen this number rise over the past few months or ...

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 ...

Dr. Peter Attia says longevity is about living longer and improving your quality of life — and intense exercise is part of ...

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 ...

I’m not surprised that Garmin did well, but I am surprised by some of the watches at the bottom of the list. I have, at my disposal, at least nine different devices that can estimate my cardio fitness ...