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

The V stands for volume, and the O2 stands for oxygen. VO2 max is a way to measure the maximum rate of oxygen your body absorbs and consumes during exercise. It might also be called your oxygen uptake ...

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, ...

Colvin says to measure VO2 max you’ll need to be in an exercise medicine lab or a doctor’s office that offers the test. The ...

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

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 ...

Unlock a longer, healthier life by understanding your VO2 max, a key indicator of oxygen utilization during exercise. Experts now highlight this measure, which reflects your heart and lung efficiency.

This key metric reflects how much oxygen your body uses during a workout. But it isn’t just for athletes—your VO2 max is a critical indicator for your future health and longevity. Understanding your ...

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

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 ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. New perk: Easily find new routes ...