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Hmmm, interesting. I wonder why they don't use ultrasonic sound instead of a current. It would seem that would scare off many people...

 

http://findarticles.com/p/articles/mi_m0675/is_n2_v15/ai_19205606/

 

Of course. All devices are going to give you different readings. The idea is not get an absolute number, but to measure relative change. It gives you a baseline. The number could say anything, you are looking for the relative change. I've been using them for years and they work. The actual number may be off, but rate of change is not.

Look you can go to a doctor and he can say you have cancer. It doesn't mean you do. There is nothing "exact" about anything to do with the human body.

 

i understand what you are saying but don't see the advantage of this over a simple scale. this cannot measure the absolute level of fat, and most people rapidly losing weight are also dehydrated because they are in ketosis. They are in varying degrees of hydration, so this also skews the relative values (at least while they are dieting, which is when they want accurate reading in the first place)

So, where is the advantage of this over the simple scale

 

I have to agree with this Nitro. My weight can vary easily by 2-4 lbs based on my hydration level. If I don't go to the gym for a couple of days, I actually lose weight. I tend to hydrate a lot more on days that I go to the gym.. before, during and after a workout. However, on my off days, I get lazy with staying hydrated and, as a result, end up being more dehydrated and a bit lighter. You should never get excited with a weight change over a very short period of time. It doesn't mean anything.

 

I have been told they read low but the one I has reads high or that is what I think.


I am 6' and when I was at 200 it said about 23%. I got food poisoning once and had been dieting and working out and got down to 163 and it then said 17%. So according to it I only lost 18 lbs of fat and 19 lbs of something else. Now I am 180 and it reads 20%.

 

Because if you lose fat and gain muscle the scale may not give you a accurate picture.

 

Do you realize that this post contradicts what you just said above?

 

Well I reweighed myself with anticipation, and drum roll, I gained 1 1/2 pounds but not the entire 3 1/2 I thought I lost. So it looks like rehydrating definitely added weight, and the ~2 lbs a week of weight loss appears to be about right. I am approximately on target to reach my [initial] goal (look good in clothes) in twelve weeks though. Since I know approximately what my expected weight loss per week is now, I will cleanly break this psychological level by EOW.

I wonder how much muscle weight I have added?

 

I would say NONE. Actually it's worse because rapid weight loss burns muscle for energy as well as fat EVEN WITH STRENUOUS EXERCISE. A net loss of muscle.