Beurer BF 100 User Manual download pdf (Page 22)

100

Body water percentage

The body water percentage is normally within the fol-

lowing ranges:

Man

Age poor good very good

10 –100 <50 % 50 – 65 % >65 %

Woman

Age poor good very good

10 –100 <45 % 45 – 60 % >60 %

Body fat contains relatively little water. People with a

high proportion of body fat may therefore have a pro-

portion of body water below the guideline values. With

endurance athletes, however, the recommended val-

ues could be exceeded due to low fat percentages 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 percent-

age should be the aim.

Proportion of muscle

The muscle percentage is normally within the follow-

ing ranges:

Man

Age low normal high

10 –14 <44% 44 – 57 % >57 %

15 –19 <43% 43 – 56 % >56 %

20 – 29 <42% 42 – 54 % >54 %

30 – 39 <41% 41– 52 % >52 %

40 – 49 <40% 40 – 50 % >50 %

50 – 59 <39% 39 – 48 % >48 %

60 – 69 <38% 38 – 47 % >47 %

70 –100 <37% 37 – 46 % >46 %

Woman

Age low normal high

10 –14 <36% 36 – 43 % >43 %

15 –19 <35% 35 – 41 % >41 %

20 – 29 <34% 34 – 39 % >39 %

30 – 39 <33% 33 – 38 % >38 %

40 – 49 <31% 31– 36 % >36 %

50 – 59 <29% 29 – 34 % >34 %

60 – 69 <28% 28 – 33 % >33 %

70 –100 <27% 27 – 32 % >32 %

Bone mass

Like the rest of our body, our bones are subject to the

natural development, degeneration and ageing pro-

cesses. Bone mass increases rapidly in childhood and

reaches its maximum between 30 and 40 years of age.

Bone mass reduces slightly with increasing age. You

can reduce this degeneration somewhat with healthy

nutrition (particularly calcium and vitamin D) and reg-

ular exercise. With appropriate muscle building, you

can also strengthen your bone structure. Note that this

scale will not show you the calcium content of your

bones, but will measure the weight of all bone constit-

uents (organic substances, inorganic substances and

water). Little influence can be exerted on bone mass,

but it will vary slightly within the influencing factors

(weight, height, age, gender).

There are no recognised guidelines or recommenda-

tions relating to bone mass measurement.

Important

Please do not confuse bone mass with bone density.

Bone density can be determined only by means of a

medical examination (e.g. computer tomography, ultra-

sound). It is therefore not possible to draw conclusions

concerning changes to the bones and bone hardness

(e.g. osteoporosis) using this scale.

BMR

The basal metabolic rate (BMR) is the amount of ener-

gy which the body requires to maintain its basic func-

tions when completely at rest (sufficient for e.g. lying

in bed for a period of 24 hours). This value essentially

depends on weight, height and age. The diagnostic

scale displays this in kcal/day and calculates it using

the scientifically recognised Harris Benedict formula.

This is the amount of energy that your body requires as

an absolute minimum which must be supplied to the

body in the form of food. If you consume less energy

than this in the long term, it can have a detrimental ef-

fect on your health.

AMR

The active metabolic rate (AMR) is the amount of ener-

gy required daily by the body in its active state. The en-

ergy consumption of a human being rises with increas-

ing physical activity and is measured on the diagnostic

scale in relation to the degree of activity entered (1 – 5).

To maintain your existing weight, the amount of energy

used must be reintroduced into the body in the form

of food and drink. If less energy is introduced than is

used over a longer period of time, your body will obtain

the difference largely from the amount of fat stored and

your weight will decrease. If, on the other hand, over a

longer period of time more energy is introduced than

the total active metabolic rate (AMR) calculated, your

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