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

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

You may already know your VO2 max is a strong predictor of how fast you are on the bike. But if you’re fuzzy on the details, including what the term actually means, why it matters, and how you can ...

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 ...

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 ...

Running to the best of your ability can feel like a numbers game. To hit new PBs, you’re probably under the impression that you should keep tabs on all kinds of ...

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 ...

Running at the best of your ability is somewhat of a numbers game. To hit new PRs, you’ll want to keep tabs on all kinds of stats, like distance covered, pace per mile (or interval), max heart rate, ...

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 ...

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

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