Some Apple Watch users are wearing it on their ankle instead of their wrist to get better workout data, but we’ve done some testing, and it’s not a great place to wear the device.

Apple Watch Series 10 on a wrist
The Apple Watch is extremely helpful as a fitness wearable, due to it collecting many different data points about your activity in one go. However, there is a trend where some users place the Apple Watch in a fairly unusual location.
Profiling the trend, the New York Times reports about people working out with the Apple Watch and other wearable devices attached to their ankle.