Are heart rate monitors bogus?

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  • supermama67
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    I am having the opposite problem. My HRM says I am burning way more than MFP calculates. It is a Polar rs200 or something?? I have my height, weight, and age etc. programmed in. When MFP calculated my workout, it gave me 190 whereas my HRM gave me 359. Which one should I use? thoughts??