Beurer BF 180 Instructions For Use Manual page 14

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%
Bone mass
Like the rest of our body, our bones are subject to natural growth, shrinking and ageing processes. The bone mass
increases rapidly during childhood and reaches its peak between the ages of 30 and 40. As we age, our bone
mass then begins to reduce. You can combat this reduction to an extent with the help of a healthy diet (particularly
calcium and vitamin D) and regular physical exercise. The stability of the skeleton can be further increased by
means of targeted muscle build-up. Please note that this scale does not identify the calcium content of the bones;
instead, it calculates the weight of all the components that make up the bones (organic matter, inorganic matter
and water). It is very difficult to influence the bone mass, although it does fluctuate within the scope of influencing
factors (weight, height, age, gender). There are no recognised guidelines or recommendations.
IMPORTANT:
Please do not confuse bone mass with bone density.
The bone density can only be determined by means of a medical examination (e.g. computer tomography, ultra-
sound). It is therefore not possible to draw conclusions on changes to bones and bone hardness (e.g. osteoporo-
sis) using this scale.
BMR
The basal metabolic rate (BMR) is the amount of energy required by the body at complete rest in order to maintain its
basic functions (e.g. when lying in bed 24 hours a day). This value is primarily dependent on weight, height and age.
It is displayed on the diagnostic scale in the unit kcal/day and calculated using the scientifically recognised Harris-
Benedict equation.
This is the amount of energy that is required by your body under all circumstances and must be re-supplied to
the body in the form of food. If your energy intake is below this level in the longer term, this can result in damage
to health.
Body mass index (BMI)
The body mass index (BMI) is a number that is often called upon to evaluate body weight. The figure is calculated
from body weight and height. The formula is: body mass index = body weight : height². The measurement unit for
BMI is [kg/m²]. According to the BMI, weight is classified for adults (20 years and over) using the following values:
Category
Underweight
Normal weight
Overweight
Obese (overweight)
Woman
high
>57%
>56%
>54%
>52%
>50%
>48%
>47%
>46%
Severely underweight
Underweight
Slightly underweight
Overweight
Class I obesity
Class II obesity
Class III obesity
14
Age low normal
10–14 <36 36–43%
15–19 <35 35–41%
20–29 <34 34–39%
30–39 <33 33–38%
40–49 <31 31–36%
50–59 <29 29–34%
60–69 <28 28–33%
70–100 <27 27–32%
BMI
< 16
16-16.9
17-18.4
18,5-24,9
25-29,9
30-34.9
35-39.9
≥ 40
high
>43%
>41%
>39%
>38%
>36%
>34%
>33%
>32%