Another valuable health feature has been added to iPhone and Apple Watch with iOS 14.3 and watchOS 7.2 – Cardio Fitness. The measurement is based on your VO2 max which Apple Watch can estimate when recording certain workouts. Follow along for a look at how to use Cardio Fitness on iPhone and Apple Watch including why it’s important, how to set it up, and how to measure/view Cardio Fitness levels.
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