There are so many acronyms found in that tiny computer, and your heart rate variability (HRV) is one of the most important ...

What is VO2 max: It measures how much oxygen your body can use during intense exercise, directly influencing endurance, performance, and overall health. Why it matters: Higher VO2 max is linked to ...

While VO2 max estimates were once exclusively reserved for lab settings and high-end sports watches, Oura has developed a way to give users insight into their cardiorespiratory fitness. Dubbed ‘Cardio ...

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 ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. VO2 max measures how much ...

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 ...

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. The more you work out, ...

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 ...

When Dr. Sanjeev Goel M.D – founder and CEO of Peak Human – turned fifty, he began measuring his health through a new lens, becoming one of the few physicians who studied longevity while documenting ...

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 ...