Streaming platforms for Insanity Max: 30 - Cardio Challenge haven’t been announced yet. Check back soon for updates on where you can watch it online.

VO2 max is a buzzy measure of heart health and fitness. I tried a class that promised to boost my VO2 max through cardio and breathwork. I don't typically do cardio, and I realized taking classes ...

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 ...

One of the useful and somewhat buried health features on Apple Watch is VO2 max. The measurement can be estimated by Apple Watch when recording specific workouts but it isn’t enabled by default and ...

The Apple Watch’s Cardio Fitness measurement is a more user-friendly term for VO2 max, a universally recognized and established fitness metric that measures how much oxygen your body can transport to ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Follow Julia Pugachevsky Every time Julia publishes a story, you’ll get an alert straight to your ...

I have a strange question, but stay with me: Have you ever thought about how long you can run without breathing through your mouth? In a dark basement in central London I recently discovered that, for ...