It estimates: Depending on the model it may just make an estimate based on speed and slope fancier machines will input your weight, age, rest pulse as well and monitor your heart rate as well. Which can give you a fair estimate but still far from exact.
Answered 5/16/2018
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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A doctor has provided 1 answer
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