Abstract

Deviations of the impedance spectrum of human body segments from that predicted by the Cole model are explained by the properties of biological objects and measurement errors. Our analysis of the measurement's equivalent scheme shows an importance of contact impedances and allows for explaining positive reactance of low-resistance body segments. Representation of the measured impedance as a connection of the Cole model impedance and capacity in parallel gives better fitting of measured impedance spectrum. The results of analysis show that said capacity is determined mainly by the properties of body tissues rather than stray capacitance between the body and surrounding objects.

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