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3.4 Tips for using the scale
Important when measuring body fat/body water/muscle percentage:
• The measurement may only be carried out while barefoot and it is helpful if the soles of your feet are slightly damp. Com-
pletely dry soles can result in unsatisfactory results, as they have insufficient conductivity.
• Your feet, legs, calves and thighs must not touch each other, as otherwise the measurement cannot be performed correctly.
• Stand still during the measurement.
• Wait several hours (6-8) after unusually strenuous activity.
• Wait approx. 15 minutes after getting out of bed so that the water in your body can be distributed.
The measurement is not reliable for:
• Children under approx. 10 years of age.
• Persons with fever, undergoing dialysis, with symptoms of edema or osteoporosis.
• Persons taking cardiovascular medication.
• Persons taking vascodialating or vascoconstricting medications.
• Persons with substantial anatomical deviations in the legs relative to their total height (leg length considerably shorter or lon-
ger than usual).
4. Evaluation of results
Body fat percentage
The following body fat percentages are guide values (contact your physician for further information).
Man
Age
low
normal
10-14
<11
11-16
15-19
<12
12-17
20-29
<13
13-18
30-39
<14
14-19
40-49
<15
15-20
50-59
<16
16-21
60-69
<17
17-22
70-100
<18
18-23
A lower value is often found in athletes. Depending on the type of sports, training intensity and physical constitution, values
may result which are below the recommended values stated. It should, however, be noted that there could be a danger to
health in the case of extremely low values.
Body water percentage
The body water percentage is normally within the following ranges:
Man
Age
poor
good
10-100
<50
50-65
Body fat contains relatively little water. Therefore persons with a high body fat percentage have body water percentages below
the recommended values. With endurance athletes, however, the recommended values could be exceeded due to low fat per-
centages and high muscle percentage.
This scale is unsuitable for measuring body water in order to draw medical conclusions concerning age-related water retention,
for example. If necessary ask your physician. Basically, a high body water percentage should be the aim.
Muscle percentage
The muscle percentage % is normally within the following ranges:
Man
Age
low
normal
10-14
<44
44-57
15-19
<43
43-56
20-29
<42
42-54
30-39
<41
41-52
40-49
<40
40-50
50-59
<39
39-48
60-69
<38
38-47
70-100
<37
37-46
high
very high
16,1-21
>21,1
17,1-22
>22,1
18,1-23
>23,1
19,1-24
>24,1
20,1-25
>25,1
21,1-26
>26,1
22,1-27
>27,1
23,1-28
>28,1
very good
>65
high
>57
>56
>54
>52
>50
>48
>47
>46
Woman
Age
low
10-14
<16
15-19
<17
20-29
<18
30-39
<19
40-49
<20
50-59
<21
60-69
<22
70-100
<23
Woman
Age
low
10-100
<65
Woman
Age
low
10-14
<36
15-19
<35
20-29
<34
30-39
<33
40-49
<31
50-59
<29
60-69
<28
70-100
<27
8
normal
high
very high
16-21
21,1-26
>26,1
17-22
22,1-27
>27,1
18-23
23,1-28
>28,1
19-24
24,1-29
>29,1
20-25
25,1-30
>30,1
21-26
26,1-31
>31,1
22-27
27,1-32
>32,1
23-28
28,1-33
>33,1
normal
high
45-60
>60
normal
high
36-43
>43
35-41
>41
34-39
>39
33-38
>38
31-36
>36
29-34
>34
28-33
>33
27-32
>32
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