Advanced fitness insights
If you want more advanced fitness insights, three metrics you should:
- HRV is a metric measuring the fluctuations of time between heartbeats. It’s often used as a measure of how well you’ve recovered from a workout or to estimate stress levels.
- SpO2 is often used interchangeably with pulse oximetry. The gist is that it measures how oxygenated your blood is. Companies are still figuring out how to best utilize this metric, but you frequently see it pop up in sleep and recovery tracking.
- VO2 Max is a metric that measures the maximum amount of oxygen your body can use during intense exercise.
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