PROBLEM TO BE SOLVED: To provide a muscle tissue volume evaluation method that can evaluate the level of muscle development and muscle atrophy handily and accurately.SOLUTION: The impedance measuring electrode that consists of a pair of current application electrodes and a pair of voltage measurement electrodes is touched to a body surface, and the impedance of a body is measured. Concretely, the ac current of a low frequency (for instance, 5 kHz) is impressed to the electrode that touches the measurement site, and the impedance is measured (S3). The ac current of a high frequency (for instance, 250 kHz) is impressed to the electrode, and the impedance is measured (S4). The impedance ratio Z250/Z5 is calculated (S5). The level of the muscle development and the muscle atrophy is judged from the calculated impedance ratio (S6).COPYRIGHT: (C)2013,JPO&INPIT【課題】簡便且つ正確に筋発達・筋萎縮の程度を評価することができる筋量評価方法を提供する。【解決手段】一対の電流印加電極と一対の電圧測定電極とから成るインピーダンス測定電極を身体表面に接触させて測定した身体のインピーダンスする。具体的には、測定部位に接触させた電極に低周波数(例えば5kHz)の交流電流を印加してインピーダンスを測定する(S3)。前記電極に高周波数(例えば250kHz)の交流電流を印加してインピーダンスを測定する(S4)。インピーダンス比Z250/Z5を算出する(S5)。算出したインピーダンス比から筋発達・筋萎縮の程度を判定する(S6)。【選択図】図8
