When You’re Maintaining Weight
Fluctuations in
•Weigh yourself more often than once a week.
•Use the
Weight And Body Fat
How does it work?
While body fat can be measured in many ways, the method used in your scale is bioelectrical impedance. This indirect method of determining body fat starts when a safe and very low electrical current is sent through the lower half of the body. The electrical current flows more quickly through water and muscle than it will through bone and fat. The scale measures the speed of the current. Based on this number, the scale estimates body fat using a
Is it accurate?
Measurements of body fat tend to fluctuate a lot more than simple weighing, and different methods of estimating body fat yield very different results. Just as different scales give different results, different body fat analyzers can provide very different body fat estimates. Even with the same scale the numbers will vary because:
•Weight loss tends to produce substantial, continuous, and unpredictable changes in body water content. Because body fat analysis is determined by water content in the body, results can vary considerably from day to day.
•Hydration status affects body fat results. If you’ve just worked out, there is less water for the electrical current to flow through. This may result in a higher body fat result. In the same way, if you measure your body fat after drinking a lot of fluid, it may appear that body fat is lower than it really is.
•Skin temperature can have an influence also. Measuring body fat in warm humid weather when skin is moist will yield a different result than if skin is cold and dry.
•As with weight, it is better to track trends over time than to use individual daily results, when your goal is to change body composition.
•Results may not be accurate for persons under the age of 16, or persons with an elevated body temperature, diabetes or other health conditions.
What you need to know!
•Percent body fat refers to the number of pounds of fat divided by your total body weight and multiplied by 100.
•During weight loss, percent body fat doesn’t appear to be reduced as quickly as expected because total weight loss and total body fat are decreasing at the same time (for a more detailed explanation, see next section).
•Weight loss in the form of body fat and lean tissue (muscle) is common, and is normal.
•To minimize the loss of lean tissue, include regular physical activity, especially strength training, in your weight loss plan.
Why do I lose weight but my body fat doesn’t change much?
•Remember that your Weight Watchers body fat monitor is showing your body fat as a percentage, not as an absolute number of pounds. At the beginning of
a weight loss program, a person may weigh 200 lbs and show 30% body fat, equaling 60 lbs of fat (30% of 200 lbs = 60 lbs). A few weeks later, the same person may have lost a substantial amount of weight. Weight is now at 180 lbs, yet body fat is still at 30%. Why? Did that person not lose any fat? Yes, they did.
At 180 lbs with 30% body fat, the person now has 54 lbs of body fat (30% of 180 lbs = 54 lbs), meaning that 6 lbs of the total 20 lbs lost were fat. So, do not be overly concerned if your body fat % does not change despite the fact that you are losing weight. Remember, to minimize the loss of lean tissue include regular physical activity, especially strength training, in your weight loss plan.
Make the most of it!
To summarize, make the most of the body fat analysis feature by:
•Tracking change over time and not day to day.
•Using the same scale as much as possible.
•Being
Always keep in mind that you know your body best. The following ranges of Body Fat Percentages are offered as guides:
Healthy Range |
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While a scale/body fat monitor can be a useful tool on your
Come to a meeting and learn from us the best way to lose and maintain weight. Call
Service Centers: | Conair Corporation |
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*Heshka S, et al. Weight loss with
JAMA 289(14): 1792, 2003
©2006 Conair Corporation. East Windsor, NJ 08520, Glendale, AZ 85307, Made in China |
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©2006 Weight Watchers International Inc. All rights reserved. Weight Watchers is the | 06AD15148 |
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Instructions for use of Weight Watchers Body Fat Analysis bathroom scales
Congratulations! By purchasing this Weight Watchers Scale, you’ve made the first step toward taking control of your weight. To get the greatest benefit from your purchase, please read this entire brochure before using your scale.