![Sudden drop or change in cardio fitness score (VO2 max) on your Apple Watch and iPhone Health app? - MyHealthyApple Sudden drop or change in cardio fitness score (VO2 max) on your Apple Watch and iPhone Health app? - MyHealthyApple](https://www.myhealthyapple.com/wp-content/uploads/Health-app-iPhone-Sudden-drop-in-Apple-Watch-cardio-fitness-score.jpg)
Sudden drop or change in cardio fitness score (VO2 max) on your Apple Watch and iPhone Health app? - MyHealthyApple
![⌚ Apple Watch VO2 MAX Not Working? Fix VO2 Max not updating In Simple Steps #applewatch #wearholic - YouTube ⌚ Apple Watch VO2 MAX Not Working? Fix VO2 Max not updating In Simple Steps #applewatch #wearholic - YouTube](https://i.ytimg.com/vi/C-qJvCKc7vY/maxresdefault.jpg)
⌚ Apple Watch VO2 MAX Not Working? Fix VO2 Max not updating In Simple Steps #applewatch #wearholic - YouTube
![Has anyone else had a huge increase in VO2 Max over just one month? It went from 18 to 45. : r/AppleWatch Has anyone else had a huge increase in VO2 Max over just one month? It went from 18 to 45. : r/AppleWatch](https://external-preview.redd.it/uHxDpSWeRrZG2vcWkBQAh59mFlYY_kKdp11XAG5cEEw.jpg?width=640&crop=smart&auto=webp&s=4cc83f0369f2c6edfdf2eb0aeb365849a31320ed)
Has anyone else had a huge increase in VO2 Max over just one month? It went from 18 to 45. : r/AppleWatch
![VO2 max displayed in Apple Health (a) and Garmin Apps (b). This data is... | Download Scientific Diagram VO2 max displayed in Apple Health (a) and Garmin Apps (b). This data is... | Download Scientific Diagram](https://www.researchgate.net/publication/360957487/figure/fig5/AS:1182642905063448@1658975449848/VO2-max-displayed-in-Apple-Health-a-and-Garmin-Apps-b-This-data-is-calculated-in-the.png)