長時間走トレーニングの生理学的研究 : 1. 長時間走の呼吸循環機能について

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The purpose of this study was to reveal the physological changes that occurred during the running over 2 hours from the view point of the training for marathon race. A highly trained man (25 years old, 52 kg.) served as the subject who had the record of 2 : 20 : 06 at the marathon race. The heart rate, respiratory rate, pulmonary ventilation and oxygen intake were measured during and after the subject ran for 150 minutes at the speed of 200m/min. on the treadmill with 4.36% slope. From these measurements, oxygen pulse, tidal volume and oxygen removal were calculated. The results are as follows : 1) The body weight decreased approximately 2.9kg(5.6%) after the running. 2) The average oxygen intake was 2.31 l/min. (SD0.07 l/min.) being kept in steady state from 2 min. after the start to the end of running. The heart rate increased gradually throughout the running from 83 to 165. Accordingly the oxygen pulse decreased with the lapse of time from 17.7cc to 13.5cc. 3) The pulmonary ventilation was kept in steady state (Av. 75.0 l/min., SD 3.9 l/min.) from 1.5min. after the start to 130 min., and increased from 75.6 l/min. to 82.6 l/min. during the last 20min. The respiratory rate increased from 41 to 62 during running, therefore the tidal volume decreased gradually from 1.68 l. to 1.31 l. toward the end of running. 4) The oxygen removal was highest (43.7cc/l) at the initial period of running, but gradually decreased with the lapse of time and, it was nearly 35cc/l at the last 20 min.
社団法人日本体育学会の論文
1967-06-05

長時間走トレーニングの生理学的研究 : 1. 長時間走の呼吸循環機能について

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