The Bioelectrical Impedance Analysis:
The bioelectric impedance device measures the resistance of the body tissues, through the flow of a small electrical signal. The person being measured should not be in contact with any insulators of electricity, with legs aparts and arms away from the body. Some BI machines require a pair of electrodes, that are worn on the hands and wrists, and another pair worn on ankles and foot. Other BI machines only require the person to stand on two foot plates.
As BI measures the resistance of the body tissues, the proportion of body fat can be calculated as the current flows more easily through the parts of the body that are composed mostly of water, such as blood, urine and muscle, than it does through bone, fat or air. It is also possible to predict how much body fat a person has by combining the BI results with other factors such as height, weight, gender, fitness level and age.
Preferred Method:
This method is portable, easily accessible, simple to perform and can be done at home with the required equipment.
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