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• Do not compare the measurements with the measurements of another scale since there could be
differences because of the manufacturing tolerances.
• Since both the water content and the fat content of your body could fluctuate during a single day
you should always weigh yourself at the same time of day and before meals to obtain comparable
results. First thing in the morning is the best time for weighing.
• To obtain accurate measurements, place the scale on a solid, level and non-skid surface.
• The scale is equipped with sensitive electronic components. For this reason, do not place the
scale next to heat sources or in locations with excessive moisture.
ᕤ Appendix: Body fat and water contents
A regular check of fat and weight is a basic pre-requisite for your health and fitness. Fat contributes
considerably to the loading of the organism especially the coronary circulation system. The body fat
content of human beings is highly individual. There are heavy persons who have a well-balanced ratio
of fat and muscle mass and there are apparently slim persons with clearly increased body fat values.
Body fat in our body assumes important functions. It protects the joints, is a vitamin store and
handles the regulation of the body temperature. It need not therefore be an urgent objective to
radically reduce fat but rather to achieve and maintain a well-balanced ratio of muscle mass and fat
mass. Only if you know your body fat content will you be able to determine your actual degree of
fitness. Depending on age and sex, a different body fat content is considered healthy. The following
table can be used as a reference for your personal fitness profile.
Body fat content in %
Men Women
Years low Ø high low Ø high
20 – 24 14.9 19.0 23.3 22.1 25.0 29.6
25 – 29 16.5 20.3 24.3 22.0 25.4 29.8
30 – 34 18.0 21.5 25.2 22.7 26.4 30.5
35 – 39 19.3 22.6 26.1 24.0 27.7 31.5
40 – 44 20.5 23.6 26.9 25.6 29.3 32.8
45 – 49 21.5 24.5 27.6 27.3 30.9 34.1
50 – 59 22.7 25.6 28.7 29.7 33.1 36.2
> 60 23.2 26.2 29.3 30.7 34.0 37.7
Dependent on the age, the body consists of up to 80 per cent of water (see below). Water fulfils
important metabolic functions: It regulates the body temperature and transports nutrients between
cells and organs. Since the body looses water continuously, the liquid household must be adequately
replenished. A lack of water in the body results in a concentration of toxins in the body fluid. A water
content of 20 percent below average can even be life-threatening.
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RZ_IB_Köfett_LB4 22.09.2003 11:22 Uhr Seite 5