When you think about how fit you are, you might think about how far you can run or how many push-ups you can do. Or maybe you think about health metrics like your resting heart rate or heart rate variability, or the time gaps in between each heartbeat.
With a fitness tracker, you’ll have access to a variety of these health metrics—but there’s one that is key to determining your cardiovascular fitness that you may be ignoring: your VO2 max.
