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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Ever wish you could breathe easier and sustain more intensity mid-workout? You may have overheard the ...

VO2 max is among the most elusive terms in fitness. You may have heard of it, as it’s often heralded as the number that defines your cardiovascular fitness. Yet for many, the concept is confusing and ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Shutterstock VO2 ...

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 ...

CU Anschutz sports cardiologist William Cornwell, MD, says there are meaningful benefits for every person knowing how much oxygen they absorb during exercise University of Colorado School of Medicine ...

VO2 max is more nuanced that you might think – so here’s how to know where your aerobic fitness really stands ...

Body mass index (BMI) has been a controversial health measurement for years, with critics pointing out that it can be misleading. Still, it's a relatively easy stat for doctors to calculate, so it ...

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 ...