最大下多段階漸増負荷法による自転車運転中の自覚的運動強度を利用した全身持久性体力推定法 : 一般若年男性の検討

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The purpose of this study was to develop a simple and safe submaximal graded cycling test(submaximal GCT)for evaluation of cardiorespiratory fitness by differentiated ratings of perceived exertion(overall RPE:RPEo, respiratory-metabolic RPE:RPEr, peripheral RPE:RPEp). Fifty-one young men, aged 18-26 years, were recruited as subjects. Mean(±SD)of VO_<2AT> and VO_2max, which were defined as criterion variables of cardiorespiratory fitness, were 27.1±6.8 and 50.3±7.0 ml/kg/min, respectively. During the submaximal GCT, the work rate(WR) was increased by 15 watts/min, and the scores of RPEo, RPEr and RPEp were recorded every one minute. Analyses of the data indicated that VO_<2AT> and VO_2max were significantly correlated with the WRs(r=0.33-0.69 and r=0.28-0.44, respectively)at which RPEo, RPEr and RPEp of 8 to 15 were first recorded(WR_<RPEox>, WR_<RPErx>, WR_<RPEpx>;x=8-15). It was therefore accepted that WR_<RPEox>, WR_<RPErx> and WR_<RPEpx> based on subjective perception during the submaximal GCT, could be useful for evaluation of cardiorespiratory fitness. Furthermore, we attempted to develop equations for predicting VO_<2AT> and VO_2max. Multiple regression analyses by the stepwise method using WR_<RPEox>, WR_<RPErx>, WR_<RPEpx>, age, body mass and %body fat as the explanatory variables for predicting VO_<2AT> and VO_2max yielded the following equations. VO_<2AT>(ml/kg/min)=0.131 WR_<RPEp14>(watts/min)-0.314 body mass(kg)-0.260 %body fat(%)+33.9 (R=0.869, SEE=2.9 ml/kg/min) VO_<2max>(ml/kg/min)=0.095 WR_<RPEp15>(watts/min)-0.332 body mass(kg)-0.565 %body fat(%)-0.720 Age(yr)+83.1 (R=0.823, SEE=4.2 ml/kg/min) It was concluded that the submaximal GCT using RPEo, RPEr and RPEp was useful for evaluating cardiorespiratory fitness.
1998-07-10

最大下多段階漸増負荷法による自転車運転中の自覚的運動強度を利用した全身持久性体力推定法 : 一般若年男性の検討

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