JP2006304997A5 - - Google Patents

Claims (9)

  In the trunk visceral fat measurement method for obtaining the amount of trunk visceral fat tissue using the bioimpedance of the trunk measured using the current application electrode pair and the voltage measurement electrode pair arranged on the trunk, the current application electrode pair By placing one of the current application electrodes on the skeletal muscle group that is arranged long in the longitudinal direction of the trunk abdomen from the umbilical position and using the skeletal muscle group that is arranged in the longitudinal direction of the trunk abdomen as a virtual electrode layer A method for measuring trunk visceral fat, comprising increasing an amount of current applied to internal organ tissues and visceral fat tissues inside the skeletal muscle tissue layer.   In the trunk visceral fat measuring device for obtaining the amount of trunk visceral fat tissue using the bioimpedance of the trunk measured using the current applying electrode pair and the voltage measuring electrode pair arranged on the trunk, the current applying electrode pair A trunk visceral fat measuring device, wherein one of the current application electrodes is arranged on a skeletal muscle group arranged long from the umbilical position in the longitudinal direction of the upper trunk abdomen.   The trunk body skeletal muscle tissue amount is estimated based on the body trunk bioimpedance measuring means and body specifying information, and the trunk skeletal muscle tissue is estimated based on the estimated trunk skeletal muscle tissue amount and body specifying information. Trunk skeletal muscle tissue layer impedance estimation means for estimating the impedance of the layer, the internal organ tissue amount of the trunk is estimated based on the body specifying information, and the estimated internal organ tissue amount and body specifying information of the trunk The internal organ tissue impedance estimation means for estimating the internal organ tissue impedance of the trunk based on the above, the bioimpedance of the trunk, the impedance of the trunk skeletal muscle tissue layer and the internal organ of the trunk Trunk visceral adipose tissue impedance estimating means for estimating the impedance of trunk visceral adipose tissue based on the impedance of the tissue, and the impeder of the estimated trunk visceral adipose tissue Graphics and body specifying information and body trunk visceral fat measuring apparatus according to claim 2, further comprising a trunk visceral fat tissue volume estimating means for estimating the trunk visceral fat tissue volume on the basis of.   The trunk visceral adipose tissue impedance estimating means is configured such that an electrical equivalent circuit of the trunk corresponds to a serial circuit of an impedance of the internal organ tissue of the trunk and an impedance of the trunk visceral fat tissue. The trunk visceral fat measuring apparatus according to claim 3, wherein the estimation is performed assuming that the impedance of the tissue layer is connected in parallel.   The trunk visceral fat measuring device according to any one of claims 2 to 4, wherein the skeletal muscle group arranged long in the trunk abdomen longitudinal direction is a rectus abdominis muscle tissue layer.   The one current application electrode is disposed on the upper part of the rectus abdominis muscle layer slightly below the trunk on the trunk surface side, and the other current application electrode is disposed on the lower waist part slightly from the back umbilical circumference. The trunk visceral fat measuring device according to claim 5.   One voltage measurement electrode of the voltage measurement electrode pair is disposed on the rectus abdominis muscle tissue layer near the umbilical position, and the other voltage measurement electrode secures a distance that can avoid the influence of spreading resistance due to the other current application electrode The trunk visceral fat measuring device according to claim 6, wherein the trunk visceral fat measuring device is disposed slightly above the circumference of the umbilical cord in the trunk longitudinal direction from the position of the other current application electrode.   A second voltage measurement electrode pair for measuring the impedance of the trunk subcutaneous fat tissue layer is further arranged, and one voltage measurement electrode of the second voltage measurement electrode pair is controlled by the influence of the spreading resistance directly under the current application electrode. The second voltage measurement electrode is arranged at a position close to the current application electrode, and the other voltage measurement electrode is arranged at a position away from the current application electrode until the influence of the spreading resistance directly under the current application electrode is reduced. The trunk visceral fat measuring device according to any one of claims 2 to 7, wherein the trunk visceral fat tissue amount is obtained using impedance of the trunk subcutaneous fat tissue layer measured by the measurement electrode pair. .   The trunk visceral adipose tissue impedance estimator is configured such that an electrical equivalent circuit of the trunk corresponds to a series circuit of the impedance of the internal organ tissue of the trunk and the impedance of the trunk visceral fat tissue of the trunk. The trunk visceral fat measuring device according to claim 8, wherein the estimation is performed assuming that the impedance of a muscle tissue layer and the impedance of the trunk subcutaneous fat tissue layer are connected in parallel.