Basic Study on Fat Thickness Estimation Using Electrical Bio-Impedance Tomography

We carried out the numerical analysis in order to examine fat thickness estimation for applying the electrical bio-impedance tomography. Recently, the increase of obese subjects becomes a large social problem. For obese prevention, it is said that health care by appropriate exercise is necessary. For example, it seems to be useful for health care by knowing adhesion condition of the subcutaneous fat in the femoral region, because the metabolism rate and the exercise ability can be grasped. Electrical bio-Impedance Tomography is one of the cheapest ways in order to realize a tomography. We can obtain a conductivity distribution in human body. EIT utilizes relationship between the injection current and surface potential distribution depending on the conductivity difference. Then, we carried out the examination by finite difference method in order to establish the technique for estimating the subcutaneous fat thickness in the femoral region by application of the electrical bio-impedance tomography.