中学, 高校生の最大作業能の発達について : 第一報 最大酸素摂取量, 最大炭酸ガス排出量および最大酸素負債量の追跡研究
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概要
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The development of physical activity of junior and senior high school students is thought to be closely related to the mode of their lives. This study was intended to examine how these factors affect the development of maximum O_2 intake and maximum O_2 debt which are indices of their endurance ability under aerobic and anaerobic circumstances, respectively. A continued examination for 3 years was made on boys in both junior and senior high schools from their first grade to the third grade. A total of 144 subjects were divided into the following 3 groups: 1) Those who want to study more and to go on to the advanced school (study-group), 2) Those who are sportsmen usually trained by physical exercises (sports-group), and 3) Those who are going to enter the business society immediately after graduation (employment-group). The investigation was done annually from September to December. The maximum working capacity was estimated utilizing the Douglas bag method and the bicycle-ergometer. Maximum O_2 intake was determined in the way subjects were to display the highest work toward the end of 5 min- work, and maximum O_2 debt by pedaling as hard as possible for 6O seconds. The result was summarized as follows. As to both maximum O_2 intake and maximum CO_2 output, the sports-group was superior to the other two, but little difference was noted between the study-group and employment-group. The working capacity tended to increase with age, but the rate of its development was the highest in the sports-group at their 2nd year grade in both junior and senior high school. A similar tendency was observed on the maximum O_2 debt. As compared with these values per unit body weight, body surface area and basal metabolism, the student of sports-group showed a higher value than the other two. The record collected from the sports-group was also the highest with respect to the oxygen pulse, the increment of heart rate and the oxygen utilization. The above facts suggest that the daily training is highly important to improve their working efficiency and to build up the maximum working capacity. In this sense, the sports-group has the highest capacity, the employment-group came to the next place and the study-group the last. It may be concluded, therefore, that there are differences in maximum working capacity among the pupils who are in different manner of their lives, and the training effect and working efficiency are of considerable importance in the development of physical activity for pupils of the age of junior and senior high schools.
- 社団法人日本体育学会の論文
- 1968-11-25
著者
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長沢 弘
Department of Physiology, School of Medicine, Gifu University
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長沢 弘
Department Of Physiology School Of Medicine Gifu University