Mechanical power、血液乳酸量、酸素負債量によるAnaerobic workの研究

概要

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We made the subjects take the exercise of six kinds from 5 to 90 seconds with maximum effort by Monark's bicycle ergometer. And we studied on anaerobic work by means of measuring the course of mechanical power, blood lactate, and oxygen debt. The results were as follows : 1) The mechanical power reached the maximum value from about 3 to 6 seconds after beginning the exercise regardless of the subjects and the work times, and then it decreased gradually with the passing of time. 2) The subjects who sent out the higher power in each work time within 60 seconds indicated the higher blood lactate and oxygen debt. 3) The relation between the oxygen debt per lean body mass and the blood lactate was found to be linear when the oxygen debt was less than about 110 ml, in other words, within about 60 seconds in the work time. But This relation became lower when the oxygen debt became over about 110 ml, or, the work time passed more than about 60 seconds. From these results we classified the work of maximum effort as follows : (1) the anaerobic work within about 6 seconds, (2) the work which contained a great deal of anaerobic factor from about 6 to 60 seconds, and (3) the work in which aerobic factor began to increase when the work time passed about 60 seconds.
日本体力医学会の論文
1973-03-01