![Fitness levels accurately predicted using wearable devices – no exercise required | University of Cambridge Fitness levels accurately predicted using wearable devices – no exercise required | University of Cambridge](https://www.cam.ac.uk/sites/www.cam.ac.uk/files/styles/content-885x432/public/news/research/news/fitness-monitor.jpg?itok=72P751OH)
Fitness levels accurately predicted using wearable devices – no exercise required | University of Cambridge
![VO2 Max Scores and Fitness Scores on Fitbit, Garmin and Other Fitness Trackers: Are They Useful? - YouTube VO2 Max Scores and Fitness Scores on Fitbit, Garmin and Other Fitness Trackers: Are They Useful? - YouTube](https://i.ytimg.com/vi/_EKEYm_t_90/sddefault.jpg)
VO2 Max Scores and Fitness Scores on Fitbit, Garmin and Other Fitness Trackers: Are They Useful? - YouTube
![Which one should I believe? I personally tend to Fitbit. Garmin says I'm worse than before but I don't feel that way. : r/GarminFenix Which one should I believe? I personally tend to Fitbit. Garmin says I'm worse than before but I don't feel that way. : r/GarminFenix](https://i.redd.it/7ufcccz21ug91.jpg)
Which one should I believe? I personally tend to Fitbit. Garmin says I'm worse than before but I don't feel that way. : r/GarminFenix
![After seeing all of the poor cardio fitness scores I'm now realising how ridiculous mine must seem (I have no idea how I got this) : r/fitbit After seeing all of the poor cardio fitness scores I'm now realising how ridiculous mine must seem (I have no idea how I got this) : r/fitbit](https://i.redd.it/tfjwgoe9dyz61.jpg)
After seeing all of the poor cardio fitness scores I'm now realising how ridiculous mine must seem (I have no idea how I got this) : r/fitbit
![I finally got an exact cardio fitness score! I read recently how you need to GPS track a couple of 10min+ runs for a more specific score (I was at a range I finally got an exact cardio fitness score! I read recently how you need to GPS track a couple of 10min+ runs for a more specific score (I was at a range](https://i.redd.it/kjbsnmai47361.jpg)
I finally got an exact cardio fitness score! I read recently how you need to GPS track a couple of 10min+ runs for a more specific score (I was at a range
![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_Ryan-Hall.png)