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Weighing Scale Problems
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Another Day
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Joined: 8 Jul 2008
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 Posted: 23 Jul 2008 01:17 pm
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I have a problem with my weighing scale, its that the amount of weight it measures can vary by several pounds depending on where / how I stand on it. I've noticed that depending on how I space my feet, whether I lean on my heals or toes, where I place my feet, all of these can affect my weight by as much as 3 pounds.

This makes it difficult for me to get a proper weight assessment. I'm curious, should I buy a new weighing scale?

Or, should I simply take the highest weight that is reported by the weighing scale and assume that one to be true (my current policy). Averaging weights seems ridiculously arbitrary.

Today, the weighing scale was reporting anywhere from 219 to 222 (in one 5 minute span).



On another note, I did cardio on a bike yesterday, and only burned 106 calories in 12 minutes (158 average heart rate, 90 rpm, 4.22mi biked), is that normal? It seems, compared to a treadmaster, biking is a ridiculously slow method of burning calories.

Thanks,
-AD

Last edited on 23 Jul 2008 01:23 pm by Another Day

1seekspie
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Joined: 10 Aug 2007
Location: South Park, Colorado USA
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 Posted: 23 Jul 2008 02:14 pm
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Perhaps you may want to consider another scale, because fluxuations probably shouldn't be like that...

However, don't put too much emphasis on an exact number. Your best bet would probably to do an average of three or so consecutive weigh-ins. You don't want to end up in the position I've been in----where a number dominates your life!

I know exactly what you mean about the bike! I use the same piece of equipment to work out, and it's frusterating to work your butt off and see such a low number on the reading. I work out between 100 and 120 RPMs for 35-40 minutes a day....3-5 days a week (except this one---things are a bit too hectic and I need a break) and burn 350-400 calories in those sessions.

I've been working up my speed/intensity since last September, and I still feel pretty exhausted when I get off. Meanwhile, my friend walks on the treadmill for an hour and claims to burn twice as many calories (she doesn't seem to be using much effort at all).

I honestly feel like these readings are somewhat innacurate. I have a feeling she burns fewer calories than she thinks she does, and I can help but think I burn a few more than what the bike's screen reads back to me.

 Also, keep in mind, the bigger you are (height and weight wise), the more calories you will burn.

Try not to occupy yourself with the number of calories burnt. As long as you can FEEL you're getting a work out, your body will thank you, and begin to show some results. :wink:

cportwine
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Joined: 24 Mar 2008
Location: Muscoda, Wisconsin USA
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 Posted: 23 Jul 2008 03:19 pm
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I would get a different scale. I always double check mine and it doesn't matter how I stand on it, it is the same. I did that cause my weight goes up and down several pounds in one day. So, I thought it was maybe the scale. It wasn't. I can stand there and do it ten times in a row and it's same every time.

I know someone else on here was having issues with there scale doing that. So, maybe he will chime in and give you his opinion.

CrimsonAnimus
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Joined: 4 May 2008
Location: Tennessee USA
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 Posted: 23 Jul 2008 10:35 pm
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My weigh fluctuates also, even over the span of a few minutes, but it pretty much stays the same no matter how I stand on it. However, I can move it to different parts of the room, and the weight will fluctuate. This is normal, and is actually associated with how your house or apartment is built.

I usually weigh in 3 or more different places and take the average of the 3. I think that's fair, but whatever makes you feel better. :grin:

The calorie burn is the only reason I still do the bike. Yesterday, I burned 460 calories in 30 minutes on the bike. I only burned 538 calories in an entire hour on the treadmill, and that was with an average speed of 4.6.

I personally average between 110-120 RPM on the bike, and it makes a significant difference, more so on the higher intensity levels. You might even find that if you tone down the resistance and increase your speed, you will see better results. I'd also recommend you try for at least 30 minutes, if you haven't already.

Another Day
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 Posted: 26 Jul 2008 06:32 pm
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Thanks for the advice everyone. The weighing scale was busted. I bought a new one today. I found out my weight, repeated it 3x, got the exact same number:

214.4 lbs. (17.0% Body Fat)


This completely casts into doubt all progress I've made so far. Next week is practically going to be my first week, since its the first time I'm getting reliable numbers.

Before returning my old scale, I got a read out of 219-221lbs, thats under the 223 I was clocked at last week, so I probably did end up losing 2 lbs, but I now have to reset all my goals and objectives, and recalculate my BMR, etc.

Update: Calculations done. This works out pretty well since now that I have accurate Body Weight and Body Fat % measurements, I can use the Katch-McCardle formula. All my new calculations are up. It ended up differing by only +39kcal/day for my TDEE.

Last edited on 26 Jul 2008 07:01 pm by Another Day

cportwine
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Joined: 24 Mar 2008
Location: Muscoda, Wisconsin USA
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 Posted: 27 Jul 2008 02:37 am
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CrimsonAnimus wrote: My weigh fluctuates also, even over the span of a few minutes, but it pretty much stays the same no matter how I stand on it. However, I can move it to different parts of the room, and the weight will fluctuate. This is normal, and is actually associated with how your house or apartment is built.

I usually weigh in 3 or more different places and take the average of the 3. I think that's fair, but whatever makes you feel better. :grin:

The calorie burn is the only reason I still do the bike. Yesterday, I burned 460 calories in 30 minutes on the bike. I only burned 538 calories in an entire hour on the treadmill, and that was with an average speed of 4.6.

I personally average between 110-120 RPM on the bike, and it makes a significant difference, more so on the higher intensity levels. You might even find that if you tone down the resistance and increase your speed, you will see better results. I'd also recommend you try for at least 30 minutes, if you haven't already.

lol, I have certain spots in my bathroom that weigh me less than other spots. Of course I always try to find that perfect spot.....:grin:

kakki
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Joined: 26 Dec 2007
Location: Essex , Vermont USA
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 Posted: 5 Aug 2008 03:13 pm
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Now you sound like me cportwine.... Mine is exactly the same way!!! I tell ya darn scale. I just had to go buy batteries and then was petrified it was going to die on me...

cportwine
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Location: Muscoda, Wisconsin USA
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 Posted: 5 Aug 2008 05:49 pm
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Mine, is cause I have an old house, and the floors are all hardwood and not very even. We have some spots that have humps and what not. lol, but I do like those certain spots that weigh me less. To bad I can't find one of those these days.

kakki
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Location: Essex , Vermont USA
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 Posted: 6 Aug 2008 09:49 am
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I seem to have found a spot that works and I look for the landmarks to find it again and again.


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