IMPORTANCE OF TRACKING CHANGES
It may be important to note, even if the absolute percentage fat figures, for
example, are suspect for a particular subject, that accurate measurements can
still nevertheless be made on a regular basis to monitor the changes in body
composition over a period of time.
Since the BODYSTAT
®
1500 unit measures the Impedance value very
accurately it has excellent reproducible qualities. This enables an operator to
track whether fat or lean weight (for example) on the same subject is on the
increase or decline. Thus even if there is some doubt as to the accuracy of the
absolute figures, tracking the changes of body composition can help to
determine whether any weight reducing or nutritional program, for example, is
having the desired effect in that fat weight is reducing and/or lean weight is
increasing.
The Impedance value on its own may also give the first signs of changes in
the nutritional status of a patient. If the Impedance value increases over
consecutive measurements (in terms of days, weeks or months, etc) it may
indicate that the body is losing fluid (assuming that there is not a significant
change in total body weight). This is because the electronic resistance to the
flow of the current in the body when the measurement is taken has increased.
Water is a good conductor of electricity and the less fluid in the body the higher
therefore the resistance factor in the body. This results in a higher Impedance
value being registered by the BODYSTAT
®
1500 unit and hence higher fat %
figures and lower body fluid volumes.
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