Men’s Fitness aims to feature only the best products and services. If you buy something via one of our links, we may earn a ...

Scientists have found that cardiorespiratory fitness, specifically, your VO2 max, which measures how efficiently your body ...

First, it helps to understand the difference between the two common ways physiologists report VO2 max. Relative VO2 max takes ...

VO2 max seems like the biggest buzz word used in the running community right now—but why? What makes that number glaring back at you on your smartwatch so crucial, and why can’t runners stop talking ...

Researchers question how relative VO2 max is calculated and share why your watch’s number may not tell the full story about ...

For HRV, you'll need a smartphone app or wearable device that can detect the subtle variations between heartbeats. Take ...

Numerous factors play a role in athletic performance. But at the top of that list is VO2 max, a marker of cardiorespiratory fitness level. More specifically, VO2 max is a measure of the total amount ...

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 ...

You’ve probably seen the viral Norwegian 4x4 workout doing the rounds – pushed by running influencers and coaches alike. It’s ...

Every time Kim publishes a story, you’ll get an alert straight to your inbox! Enter your email By clicking “Sign up”, you agree to receive emails from Business ...

Similar to zone 2 training and cold plunges, VO2 max has become an increasingly discussed topic of conversation in the wellness world. VO2 max refers to the maximum rate of oxygen your body can use ...

Fitbit’s AI coach is going global, turning your cardio fitness data into clear, personalized insights you can actually understand and act on.