Apple Watch now monitors (and notifies you about) low-level cardio fitness

Timed to the launch of its Fitness+ service, Apple has also launched some new features for the Apple Watch.  Starting with iOS 14.3 and watchOS 7.2, the Apple Watch will monitor a user's cardiorespiratory fitness levels.  Prior to this update, the Watch measured VO2 max (the maximum amount of oxygen the body can use during exercise, typically a measurement of someone's fitness level), but only for average and higher levels. Now, Apple Watch will also estimate lower levels, giving less active users a more complete picture of their overall fitness.  Image: apple To do this, the Watch uses multiple sensors, such as the optical heart sensor, GPS, and the accelerometer. Apple says this is a breakthrough as measuring VO2 max accurately typically requires clinical testing with specialized equipment. Read more...More about Apple, Apple Watch, Tech, and Big Tech Companies