It is no secret that cyclists are obsessed with numbers. Everything from power output and heart rate, to hydration, blood glucose levels, and sleep tracking. There are a million different devices that ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The more you work out, ...

If you’re a fitness fiend or working to improve your health, you’re probably always looking for ways to run faster and farther, train harder and push your limits. You might even already track a number ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Whoop, the screenless ...

So you just got your VO2 max number by charting it on your watch, estimating your number at home, or even heading to a lab for a more formal test … but now what? You have that shiny number in hand, ...

The smart rings are getting Cardio Effort and VO2 Max data.

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 ...

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 ...

VO2 max, the measure of how much oxygen the body consumes during exercise, has become a ubiquitous tool for professional athletes, but health experts increasingly say it's a measurement worthy of ...

While most wearables offer step count, active minutes, distance travelled and sleeping hours, Oura Ring 5 offers two new ...

Oura's new Cardio Effort score tracks weekly heart strain, while automatic VO2 Max arrives in Oura Labs for Gen3 and later ...

You should want to know your VO2 max for many reasons. Athletes who seek optimal performance by taking part in competitions learn valuable information from tests that measure your maximum heart rate, ...