![Has anyone seen their Cardio Fitness Heart Rate improve while using the Fitbit? Or has anyone worked to improve it and seen results? (I have attached a picture for an example/clarity) : Has anyone seen their Cardio Fitness Heart Rate improve while using the Fitbit? Or has anyone worked to improve it and seen results? (I have attached a picture for an example/clarity) :](https://i.redd.it/tk1333va2ab11.jpg)
Has anyone seen their Cardio Fitness Heart Rate improve while using the Fitbit? Or has anyone worked to improve it and seen results? (I have attached a picture for an example/clarity) :
![How accurate is the cardio fitness? I've improved from the red line to where it shows now. : r/fitbit How accurate is the cardio fitness? I've improved from the red line to where it shows now. : r/fitbit](https://preview.redd.it/txwdsckeccj21.jpg?width=640&crop=smart&auto=webp&s=63223a7ff992b2e174c7c702cb04a80de245bbde)
How accurate is the cardio fitness? I've improved from the red line to where it shows now. : r/fitbit
![Hands-on: Fitbit's new Flex 2 and Charge 2 Activity Trackers, plus Blaze & Alta updates | DC Rainmaker Hands-on: Fitbit's new Flex 2 and Charge 2 Activity Trackers, plus Blaze & Alta updates | DC Rainmaker](https://media.dcrainmaker.com/images/2016/08/Fitbit-Charge-2_Fitbit-App_iOS_Cardio-Fitness_Sara-Hall.png)
Hands-on: Fitbit's new Flex 2 and Charge 2 Activity Trackers, plus Blaze & Alta updates | DC Rainmaker
![Cardio fitness score reset a week ago and I was on the highlighted area before, I run every other day and it's never been a problem before... what should i do? : Cardio fitness score reset a week ago and I was on the highlighted area before, I run every other day and it's never been a problem before... what should i do? :](https://i.redd.it/osu3kci72i851.jpg)