PROBLEM TO BE SOLVED: To precisely measure the fat thickness of a region in the human body with which measurement electrodes are in contact.;SOLUTION: The phase difference between a fat layer and a muscle layer is noted and used to determine the subcutaneous fat thickness Lf of a region of the human body, where measurement electrodes are in contact, on the basis of the phase difference between the current that flows in a current pathway from either one of first current supply electrode 12a or second current supply electrode 12b via the human body to the other electrode, and the voltage measured by a first voltage measurement section 30.;COPYRIGHT: (C)2011,JPO&INPIT
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