Gentler Streak is adding Cardio Fitness to its Wellbeing tab, but the update is less about introducing a new metric and more about changing how that ...

IntroductionHow high-intensity exercise influences cardiorespiratory fitnessTabata and metabolic health outcomesMechanisms: Why Tabata worksPractical ...

VO2 max is often referred to as a key marker of fitness. It’s the measure of the maximal amount of oxygen your cells can take in and use during ...