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 ...

FOR ABOUT A a year, an exercise physiologist I know kept offering to do a VO2 max test on me. For more than a year, I’d been resisting it. Not because it’s not important. Plenty of trends have come ...

Maybe your smartwatch has been telling you your VO2 max for a while now, but you’re not sure how accurate it is. Or maybe you’ve recently been targeted by social media ads for fancy running labs ...

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 think of ways to measure your overall health, certain benchmarks likely come to mind. The bloodwork you get done at your annual physical, maybe. Your body mass index. Perhaps how much you can ...

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 ...

From Apple Watches to Oura Rings, many of us have become obsessed with tracking our health—but experts say there is one key metric we may be overlooking. For fitness fanatics chasing personal bests, ...

When it comes to fitness and even longevity, there is one number to rule them all: VO2 max.