Whoop, the screenless watchband-like wearable, has just added a VO2max feature to its app. Now, just like Garmin, Apple Watch ...

When you think about how fit you are, you might think about how far you can run or how many push-ups you can do. Or maybe you ...

VO2 max is a measure of your body’s efficiency in delivering oxygen and nutrients to tissues, including your brain, explains ...

Many smartwatches and fitness trackers estimate VO2 max by analyzing heart rate patterns, exercise intensity, and recovery rates. While these estimates may not be as precise as lab testing ...

Learn why staying fit, not just slim, can boost your health and protect against serious diseases better than just watching your weight.

Some brands even rebrand it—Fitbit calls it your “cardio fitness score,” while Apple keeps it simple as VO2 max (you can find yours in the Apple Health app under “All Health Data”).

Both of them rely on VO2 max as a gold-standard objective measure of aerobic fitness, rather than trying to estimate fitness or exercise habits. One finds that higher VO2 max is associated with ...

At 68, Orangetheory founder Ellen Latham has bounced back from two knee replacements and isn't slowing down, thanks to ...

Meet the experts: Stacy Sims, PhD, is an exercise physiologist and the author of Roar: How to Match Your Food and Fitness to Your Female Physiology for Optimum Performance, Great Health, and a Strong, ...

When you think about how fit you are, you might think about how far you can run or how many push-ups you can do. Or maybe you think about health metrics like your resting heart rate or heart rate ...