Your watch’s VO2 max isn’t perfect, but you can improve its accuracy with better data and heart-rate tracking.

You’re a seasoned runner who trains consistently for longer distances. You cruise through your long runs with ease and already have several half marathons or marathons under your belt. So why not do ...

By most measures, Norwegian triathlete Kristian Blummenfelt is the standard of peak performance in athletics. He won the gold ...

VO2 max, the measure of how much oxygen the body consumes during exercise, has become a ubiquitous tool for professional ...

A combination of cardio and strength training is crucial for heart health, muscle strength, and healthy aging.

If you spend a lot of time around fitness obsessives (or doomscrolling on GymTok like yours truly), you’re eventually going ...

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push yourself. Short for “maximal oxygen uptake,” it’s been the gold standard for ...

The 2026 forecast indicates that Americans are increasingly prioritizing "Hybrid Fitness," a training methodology that balances strength and cardiovascular health to meet real-world physical demands.

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Like other HIIT-style workouts, the method contains spurts of high-intensity ...

I was having a great conversation with one of our fit, longtime members about VO2 max. I told him that I should do a column on it. When you Google VO2 max, it states: VO2 max is the measure of the ...

Norah O'Donnell is CBS News' senior correspondent and a 60 Minutes contributing correspondent. O'Donnell is also the host of CBS News 24/7's "Person to Person," where she brings interviews that go ...