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心输出量是人体循环功能的重要指标,在运动生理学上也是了解运动员循环功能及评价运动训练对心脏功能影响的重要指标。在测量心输出量的诸方法中,Fick 法或染料稀释法等由于给受试者造成不便,因此在运动生理学上不宜采用。1966年,Kubicek 提出用无创性的阻抗法测定心输出量,以后各国学者相继采用并报告结果,我国学者沈幼棠等多次报告阻抗法的研究成果,用阻抗法对运动员心输出量进行测定,国家体委科研所曾
Cardiac output is an important indicator of the circulatory function of the human body, which is also an important indicator for understanding the circulatory function of athletes and evaluating the impact of exercise training on cardiac function in exercise physiology. Among the methods for measuring cardiac output, the Fick method, the dye dilution method, or the like are not suitable for exercise physiology because they cause inconvenience to the subject. In 1966, Kubicek proposed using noninvasive impedance method to measure cardiac output. Later, scholars from different countries adopted and reported the results one after another. Chinese scholar Shen You-tang et al. Reported the results of impedance research many times. Impedance method was used to measure the cardiac output of the athletes. Sports Research Institute had