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Body Impedance Analysis - Bioelectrical Impedance Analysis or BIA

Bioelectrical Impedance Analysis, or BIA, is considered one of the most exact and accessible methods of screening body fat. In conventional BIA, a person is weighed, then height, age, gender and weight or other physical characteristics such as body type, physical activity level, ethnicity, etc. are entered in a computer. While the person is lying down, electrodes are attached to various parts of the body and a small electric signal is circulated.

To read an indepth analysis of Body Impedance Analysis, click the red model to the left.

Simply explained, BIA measures the impedance or resistance to the signal as it travels through the water that is found in muscle and fat. The more muscle a person has, the more water their body can hold. The greater the amount of water in a person's body, the easier it is for the current to pass through it. The more fat, the more resistance to the current. BIA is safe and it does not hurt. In fact, the signal used in body fat monitors can not be felt at all either by an adult or child.

Tanita's Patented BIA Method

Tanita has patented a revolutionary new way of measuring BIA that is faster, easier, less intrusive and includes a precision scale making this a simple one-step process. Tanita's monitor looks just like a bathroom scale. A person inputs age group, gender and height, then steps onto the platform. Electrodes in the foot sensor pads send a low, safe signal through the body. Weight is calculated automatically along with body fat content in less than a minute.

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