Beurer BF 66 Instruction Manual Page 13

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Note:
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-
sonic scans). It is therefore not possible to draw conclusions concerning changes to the bones and bone
hardness (e.g. osteoporosis) using this scale.
Little influence can be exerted on bone mass, but it will vary slightly within the influencing factors (weight,
height, age, gender). Bone mass trend displays and interpretations are not available and there are no recog-
nized guidelines or recommendations relating to bone mass measurement.
BMR
The basal metabolic rate (BMR) is the amount of energy required by the body at complete rest to maintain its
basic functions such as breathing and circulation. Thus this value represents the daily calorie consumption
of a person who is not moving at all, e.g. while lying in bed for 24 hours. This value largely depends on the
weight, height and age of the individual and is displayed on the scale in kcal/day units using the scientifically
recognized Harris-Benedict formula.
Your body requires this amount of energy in any case and it must be reintroduced into your body in the
form of nutrition. Failing to supply the body with the necessary amount of calorific energy can cause seri-
ous health problems.
AMR
The active metabolic rate (AMR) is the amount of energy required daily by the body in its active state. The
energy consumption of a human being rises with increasing physical activity and is measured on the scale
in relation to the degree of physical 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
body will be unable to burn off the excess energy, and the excess will be stored in the body as fat and your
weight will increase.
Results in relation to time
Note:
Remember that only long-term trends are important. Short-term fluctuations in weight over a few days are
usually the result of fluid change, due to fluid intake or loss.
The interpretation of the results will depend on changes in your overall weight and body fat, body water and
muscle percentages, as well as on the period during which these changes take place. Sudden changes within
days must be distinguished from medium term changes (over weeks) and long term changes (months).
A basic rule is that short term changes in weight almost exclusively represent changes in water content,
whereas medium and long term changes may also involve the fat and muscle percentages.
If your weight reduces over the short term, but your body fat percentage increases or remains the same,
you have merely lost water – e.g. after a training session, sauna session or a diet restricted only to rapid
weight loss.
If your weight increases over the medium term and the body fat percentage falls or stays the same, then
you could have built up valuable muscle mass.
If your weight and body fat percentage fall simultaneously, then your diet is working – you are losing fat
mass.
Ideally you should support your diet with physical activity, fitness or power training. This way you can
increase your muscle percentage over the medium term.
Do not add up the body fat, body water or muscle percentages, as certain elements of muscle tissue also
contain body water. Furthermore the bones are indicated in lb (kg, st) not as a percentage rate. As a result
it is not possible to sum up all the values up to 100 %.
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