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This morning my Polar told me that...(and a question)

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  • This morning my Polar told me that...(and a question)

    I was no longer 'fairly fit', I am now 'adequately' fit! One more Fitness OwnIndex point and I'll be in the 'good' zone - I've only had the thing a week!

    This is good. Sarah likes this.

    And, I know it doesn't mean anything (because I know we're not supposed to judge how many cals we burn) but I've gone from burning 3.25 cals/min last week to 5.5kcals/min this. Though, disappointingly, only my fitness is improving this week, not my fat burning (though this does beg the question, if I'm not burning fat, what am I burning? I'm never coming out of Zone 2 (except when I sprint). Zone 2 is between 60 and 75% max HR, which I thought was the 'golden' FBZ? The most it's ever told me I've burnt, fat-wise, is 42% - so what was it burning the other 58% of the time...?)

    It's a Polar FT60, if anyone knows anything about 'em...
    La tristesse durera toujours...

  • #2
    Well done Sarah. Try and focus on the general pattern and flow of the numbers, not each and every one; ebbs and peaks

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    • #3
      Originally posted by Shrinking_Violet View Post
      so what was it burning the other 58% of the time...?)
      You're burning glycogen (stored sugar), which is your body's primary energy supply. You're probably also burning a bit of protein. Regardless of intensity, your body is almost always using a combination of fuel sources.

      Originally posted by chronyx View Post
      Well done Sarah. Try and focus on the general pattern and flow of the numbers, not each and every one; ebbs and peaks
      I concur.
      "In theory, theory and practice are the same. In practice, they couldn't be more different."

      "You can have anything you want, but you can't have everything you want."

      My blog: http://www.AlKavadlo.com

      sigpic

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      • #4
        Hi Sarah,
        The Polar %fat burning is just an estimate based on the %hr that you are training at. To figure out how much fat YOU are actually burning at various intensities requires a much more complicated test. If you're able to work harder and burn more calories at the same effort, you're definitely burning more fat too. Eating a lower carb diet will also generally cause a higher %fat utilization. So I wouldn't worry about it. Sounds like you are doing an awesome job getting fitter

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