I am extremely confused right now...

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bordochstol
bordochstol Posts: 16 Member
in Fitness and Exercise
So today was the first day I wore my Polar FT40 to a Zumba class. It said I burned 922 kcal during 60 minutes. BUT before, when I used my FT4(which is supposed to be less correct than the FT40) it said I burned around 560 - 600 kcal/class... And I don't know which HRM I should trust. Anyone else having this problem? Or a solution?

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  • RunningOnPurple
    RunningOnPurple Posts: 119 Member
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    I don't have the answer, but seeing as I ordered a FT40 just yesterday, I'd be curious to know.
  • NyimaR
    NyimaR Posts: 108 Member
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    560-600 seems more reasonable for a 60 min class. Have you got your new HRM set up properly?
  • taekwonkenpo
    taekwonkenpo Posts: 1,004
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    stick to one. If you are seeing success on your weight loss then your process of counting exercise and calories is working fine.
  • notthatthis
    notthatthis Posts: 218
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    kcal or cal? that is the first confusing point.

    check at the shapesense.com hr calorie burn calculator
  • martinh78
    martinh78 Posts: 601
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    Check the settings are right in your FT40, or maybe you worked harder this time? Does it give your average HR for the 60mins? I'd expect it to be above 80% for that sort of burn (just going by my figures from my HRM).
  • bordochstol
    bordochstol Posts: 16 Member
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    560-600 seems more reasonable for a 60 min class. Have you got your new HRM set up properly?
    Yes, my weight, height, age, oxygen uptake, activity level...
  • bordochstol
    bordochstol Posts: 16 Member
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    It did give me the average HR for 60 minutes(185 bpm/89% of my HRmax). But I decided to change the 'activity level' setting from 3-5h/week to 1-3h/week. Maybe that'll help get a more accurate number. Thanks everyone :)
  • 3dogsrunning
    3dogsrunning Posts: 27,167 Member
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    http://www.myfitnesspal.com/topics/show/774337-how-to-test-hrm-for-how-accurate-calorie-burn-is?page=1

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