活動的な保育が及ぼす衝突回避行動と生活活動に及ぼす影響

概要

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　We sought to clarify the effects of childcare with high physical activity on the evasion action indices of collision avoidance behaviors as well as on the daily activity indices in two- to four-year-old children.　 A total of 79 subjects, 16 two-year-old, 39 three-year-old, and 24 four-year-old children, were divided into two groups by the period of high activity childcare: 4 months or shorter (short group) and 11 months or longer (long group). The daily activity indices, i.e., total energy consumption, activity mass, number of steps, and activity time weremonitored by a life activity recorder. The evasion action indices, i.e., average discernment time, shortest discernment time and collision occurrence rate, were measured with the evasion action measuring machine we had developed. Thejumping reaction time was measured by an apparatus for measuring the jumping reaction time in response to a light stimulus.　 To clarify the difference between the short and long groups, 10 pairs of age-matching boys and 11 pairs of age-matching girls were selected from the two groups.To study the age effect on the evasion action indices, regression analysis was used to analyze the relationship between the age in months and each evasion action index.　 Among the daily activity indices, the total energy consumption, activity mass, and number of steps were significantly higher in boys of the long group than those of the short group. The activity time was longer in boys of the long group, but the difference was not statistically significant. As to the girls, the tendency observed in the boys was seen, but it was not so clear. As for the evasion action indices, the average discernment time and the shortest discernment time were shorter and the collision occurrence rate was lower in the long group than in the short group. The difference in the collision occurrence rate in boys was only significant, and the other indicators did not differ significantly between the two groups. The jumping reaction time was shorter in the long group than in the short group in both sexes, but the differences were not significant.　 In regression analysis, significant downward leaning of the regression line for the collision occurrence rate was seen in boys and girls of both groups. In the long group, the collision occurrence rate for relatively young subjects was low and the average discernment time and shortest discernment time were also short, showing little change by aging. 0n the other hand,each index in the short group for relatively young subjects was high,but decreased to the level of the long group with aging.　 These results suggest that childcare with high physical activity may contribute to the increased daily life activity and improved evasion action indices. It is necessary to continue the study further to make this influence clearer.
大阪青山大学『大阪青山大学紀要』編集委員会の論文
2010-00-00

著者

東根裕子
大阪青山大学健康科学部

活動的な保育が及ぼす衝突回避行動と生活活動に及ぼす影響

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概要

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