Whenever I'd see those weird data points with my wrist-based heart rate while running I'd think to myself that it was either a sensor sampling issue or maybe some weird thing with acceleration. I never really studied it though. Turns out it's something called cadence lock. Maybe I'll go back to using a chest strap again for runs. #running runningwritings.com/2021/05/ca…
@hankg great article- confirms what suspect is happening to my Garmin, which thinks my heart rate is in zone one, when I’m at zone 4/5 trying to haul myself up a peak on my mountain runs. I’ll try it with a chest strap in future 👍
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