トレーニング作業姿勢が有酸素的作業能力に及ぼす影響

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The purpose of this study was to determine the comparative effects of training in different postural positions on cardiorespiratory responses during exercise. The following three postural positions were taken for pedaling exercise in this study: the sitting (S), the horizontal supine (H) and the supine with legs elevated to 45° (E). Ten healthy males, aded 19-33 years, were assigned to one of the two training groups. One training group (S-training group) participated in the bicycle ergometer exercise in the S-position, and the other group (E-training group) in the E-position. Both groups trained three days in a week for 10 minutes during 20 weeks. The training intensities were corresponded to 80% of their maximal okygen uptake obtained in the maximal test in the same postural position as in the training exercise. All groups performed submaximal and maximal tests on a bicycle ergometer in the three different positions before and after training. The absolute intensities of training for the S- and E-training groups were about 972 and 666 kpm/min, respectively. This difference was statistically significant. The S-training group showed that submaximal oxygen uptake and heart rate decreased significantly at a higher work load in the S-test after training. In the E-training group, no significant differences in oxygen uptake and heart rate were noted between before and after training for either submaximal work load. Maximal oxygen uptake and total work up to exhaustion for the S-training group were markedly improved only in the S-test after training. For the E-training group, however, significant increases of maximal oxygen uptake and total work were found in the S- and E-tests.
社団法人日本体育学会の論文
1981-12-01

トレーニング作業姿勢が有酸素的作業能力に及ぼす影響

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