Understanding your VO2 max can give you powerful insights into your cardiovascular fitness. And you don’t need a lab to find ...

Generally speaking, though, this VO2 max chart notes where optimal scores should fall depending on your age: The Factors That ...

The Apple Watch’s Cardio Fitness measurement is a more user-friendly name for VO2 max, a universal and established fitness metric based on how much oxygen your body can transfer to your blood.