![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
![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)
VO2 max displayed in Apple Health (a) and Garmin Apps (b). This data is... | Download Scientific Diagram
![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 Accuracy in Smartwatches TESTED! (Apple Watch, Garmin, Polar, COROS, Suunto, and More!) - YouTube VO2 Max Accuracy in Smartwatches TESTED! (Apple Watch, Garmin, Polar, COROS, Suunto, and More!) - YouTube](https://i.ytimg.com/vi/MzMZ6ynDxE4/maxresdefault.jpg)
VO2 Max Accuracy in Smartwatches TESTED! (Apple Watch, Garmin, Polar, COROS, Suunto, and More!) - YouTube
![Apple Fitness and Vo2 Max - is it worthwhile? At all accurate? I feel good after my bike workouts but then when I walk for 20 minutes my watch tells me I'm Apple Fitness and Vo2 Max - is it worthwhile? At all accurate? I feel good after my bike workouts but then when I walk for 20 minutes my watch tells me I'm](https://preview.redd.it/apple-fitness-and-vo2-max-is-it-worthwhile-at-all-accurate-v0-jpwi9bw9ol5b1.jpg?width=640&crop=smart&auto=webp&s=ec6bda90a62a98d673d60fe1c14b65792fb9217a)