Originally Posted by
TurboTurtle
Quit trying to get around it - it doesn't work. Two riders - same age, fitness, etc. - can have a 30 bpm difference. The HR of the same rider changes depending on humidity, hydration, time of the ride, amount of riding in the last week, amount of sleep, stress level at home or work, and on and on. HR cannot give you Calories.
I'm surprised some legal shark hasn't picked up on this for a class action suit - millions of Garmin buyers have been lied to. Should be some big money in it.
Doesn't even need to be two different riders. I reckon my HR jumped by 20-30bpm when I got buzzed by a jackass driving a truck with a dumpster on the back of it, despite my effort going right down as I got out of its way.
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