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Boots - Weight Machine

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sgx.saint
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2008/05/18 21:17:28 (permalink)
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Boots - Weight Machine

Hey.

I used one of those weight machines in Boots, which calculates your height, weight, BMI and BodyFat %.

For the bodyfat, you have to place your hands on two metal strips, I assume it calculates the electric current through your body and basis its calculations on that.

I was just wondering how accurate they actually are?
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    Dazzler69
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    RE: Boots - Weight Machine 2008/05/18 21:20:50 (permalink)
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    If it is measured by bioelectrical impedence then itcould be affected by your level of hydration
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    sgx.saint
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    RE: Boots - Weight Machine 2008/05/18 21:23:58 (permalink)
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    ORIGINAL: Dazzler69

    If it is measured by bioelectrical impedence then itcould be affected by your level of hydration


    I'm guessing thats how it works, using electrical current. I don't mind if there is only a slight degree of in-accuracy, but at the moment, this machine is my main way of measuring my progress.
    #3
    Aaron Hallett
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    RE: Boots - Weight Machine 2008/05/19 11:47:50 (permalink)
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    are you wearing clothes + shoes when your on this scale by any chance?

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    sgx.saint
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    RE: Boots - Weight Machine 2008/05/19 11:57:03 (permalink)
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    I certainly am! Otherwise I may get strange looks from other shoppers :)
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    Aaron Hallett
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    RE: Boots - Weight Machine 2008/05/19 13:08:48 (permalink)
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    then accuracy with shoes + clothes = 0%

    electrical impedance is a guess'ta'mate at best and the BMI should be discarded as you are wearing shoes = adding to your height and the clothes is adding to your weight....

    the boots machine will become no more accurate IMO than those love'o'meters you see in the fair grounds...


    post edited by MMA Guy - 2008/05/19 13:09:39

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    #6
    GRIFF 1980
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    RE: Boots - Weight Machine 2008/05/19 16:26:31 (permalink)
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    ORIGINAL: sgx.saint

    Hey.

    I used one of those weight machines in Boots, which calculates your height, weight, BMI and BodyFat %.

    For the bodyfat, you have to place your hands on two metal strips, I assume it calculates the electric current through your body and basis its calculations on that.

    I was just wondering how accurate they actually are?


    There not, simple as


    "Knowledge is knowing the Tomato is a fruit, wisdom is not putting it in your fruit salad"


    #7
    Drago
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    RE: Boots - Weight Machine 2008/05/19 17:59:12 (permalink)
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    well i did it once

    told me i was 5ft 10.5 - im not
    told me i was 14st5- im not
    told me i was 16.6% Bf- no idea
    #8
    sgx.saint
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    RE: Boots - Weight Machine 2008/05/20 00:45:45 (permalink)
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    So whats the best way to work out your BF%?
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    mike20uk
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    RE: Boots - Weight Machine 2008/05/20 21:56:38 (permalink)
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    calipers
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    DaveyL
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    RE: Boots - Weight Machine 2008/05/20 23:11:04 (permalink)
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    Why does it matter what bodyfat you are? Work with the mirror, it's usually cheaper too. Mind you, I've always wanted to know myself cos i'm vaguely interested to see how fat I am so I suppose does depend on why you wanna know.

    Dave

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    #11
    Steve902
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    RE: Boots - Weight Machine 2008/05/20 23:21:38 (permalink)
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    ORIGINAL: MMA Guy

    then accuracy with shoes + clothes = 0%

    electrical impedance is a guess'ta'mate at best and the BMI should be discarded as you are wearing shoes = adding to your height and the clothes is adding to your weight....

    the boots machine will become no more accurate IMO than those love'o'meters you see in the fair grounds...





    But if he always uses the same machine at the same time with the same clothes on, then at least it'll be consistently innaccurate.
    #12
    Will Silver
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    RE: Boots - Weight Machine 2008/05/21 10:26:30 (permalink)
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    Dont use the bodyfat percentage facility on these, do weigh myself though, currently at 17st 10lb with apparently a BMI of 35.4 (obese) my ideal weight for a BMI between 18.5 and 25 is 9st 3lb & 12st 6lb what a load of rubbish, so thats either 8st or 5st i need to lose.
    #13
    DavidT
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    RE: Boots - Weight Machine 2008/05/21 10:37:23 (permalink)
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    BMI is not an accurate way of measuring athletic people or bodybuilders... I have used these kind of machines before and they are quite inaccurate at weight compared to a doctors weighing scales. as above i think calipers best though haven't got any myself yet, not that bothered about what bodyfat i am as long as i dont look too much of a porker
    #14
    mike20uk
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    RE: Boots - Weight Machine 2008/05/21 21:17:58 (permalink)
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    when i used the bodyfat scales at gym they read 13.6 before i work out ... and 16.2 after ...

    guess its from the water i drink while working out ..

    in reality my bf is actually around 11% ... just too give you further proof how innacurate they are !

    i think theres a proffessional way of getting it checked .. involves water .. i remember watching that fat ass Rick Waller do it on one of those celebrity fat club programs ...

    if i recall he was around 45% .. what a state to be in lol
    #15
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