Here’s how and why you should set up cardio on your Apple Watch and iPhone

One of the valuable and lesser-known health features of the Apple Watch is cardio fitness. The measurement is based on your VO2 maximum that Apple Watch can estimate when recording three specific workouts. Follow along to learn how to use cardio on Apple Watch and iPhone, including why it’s important, how to set it up, and how to measure/view your cardio levels. Fitness cardio background Whether you just bought an Apple Watch or have had one for a while and haven’t used cardio, it’s an invaluable measure to understand and…

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