Wearables8 min read
Smart Watch Health Metrics Explained
What is VO2 Max anyway?
Lisa Chang
Dec 24, 2025
Your new smartwatch tracks distinct health metrics, but do you know what they mean? We decode the data so you can better understand your fitness journey.
VO2 Max
This measures the maximum amount of oxygen your body can utilize during exercise. It's a key indicator of cardiovascular fitness.