Why Your Tracking App Thinks Your Cardio Fitness Has Suddenly Gotten Worse
Why Your Tracking App Thinks Your Cardio Fitness Has Suddenly Gotten Worse
If you’ve gotten used to monitoring your “cardio fitness” score on your Fitbit, Garmin, Apple Health, or any other activity tracker or app, you may have noticed that the score has dropped recently—or perhaps not gone up as much as you would have expected. But…
