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I have been training more vigorously and when my bpm gets near 180-185 it suddenly drops to 160s. I believe the boys are getting into the 190s but it's not reading correctly.
Do you know your MAX HR? And by "Know" i do not mean (220-age) "formula"? What do you mean with "Suddenly"?You are not able to ( and you shouldn't) stay at 90- 100% of MAX HR for more than short intervals.
Fitbit user since September 2019 Sense2 Sense, Charge3, Android, Windows
I don't "know" my max but it's only an issue when I am doing interval sprints. At my peak output my reader says I am around 160-165 bpm which cannot be right, when I am around 175 before the sprint.
Any helpful links for how to find my true max hr? Thanks!
Agreed with t.parker. Get a chest strap. Optical wrist-based from all fitness trackers, all brands, do not function well at high intensity max workouts. I do HIIT workouts to max HR also. Check device compatibility before purchase.
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