Ascension St. John’s Human Performance Lab helps people measure heart health and build fitness plans for the year ahead.

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 ...

VO2max is a measure of cardiovascular fitness, and many watches and fitness trackers can estimate it for you. Here's what you ...

If it seems like everyone in your run club is talking about VO2 max these days, we wouldn’t be surprised. This metric—which is essentially a measure of your cardio fitness—is a zeitgeisty topic, ...

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 ...

Experts explain why this measure of cardiovascular health isn’t just for ‘fitness people,’ and how improving your VO2 max ...

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 ...

Vanessa is a lead writer at CNET, reviewing and writing about the latest smartwatches and fitness trackers. She joined the brand first as an on-camera reporter for CNET's Spanish-language site, then ...

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 ...