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首页> 外文期刊>Journal of Exercise Science and Fitness >Reduction in ambulatory distance from childhood through adolescence: The impact of the number and length of steps
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Reduction in ambulatory distance from childhood through adolescence: The impact of the number and length of steps

机译：通过青春期降低儿童时期的动态距离：数量和步长的长度的影响

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Background The aim of this study was to explore the relationship between ambulatory distance with steps/day and increased step length as children age. Methods This is a prospective cohort study. Forty-five children from the QUALITY cohort were assessed at childhood (baseline) and seven years later during adolescence (follow-up). Daily step count was evaluated by accelerometry, step length by a standardized test, and daily ambulatory distance was calculated based on step count and length. Results Children grew by an average of 0.33?m from childhood to adolescence ( p ?0.001). The daily ambulatory distance decreased by an average 3008?m from childhood to adolescence ( p ?0.001). Step length increased an average of 0.10?m ( p ?0.001) from childhood to adolescence, while the number of steps taken decreased by an average of 5549 steps (childhood to adolescence) ( p ?0.001). The change in the number of steps between childhood and adolescence represents 84.6% of the change in the ambulatory distance while the change in step length explained an additional 13.0% Conclusions The decrease in the ambulatory distance from childhood to adolescence was strongly explained by the decrease in step count; however the increase in step length should not to be neglected.
机译：背景技术本研究的目的是探讨动态距离与步骤/日之间的关系，以及儿童时代随着阶跃长度的增加。方法这是一个潜在的队列研究。在儿童时期（基线）和七年后，在青春期（随访）后七年评估了四十五名儿童。通过加速测定，通过标准化测试的步长评估每日步数，并且基于步数和长度计算日常的动态距离。结果儿童平均增长，平均从小到青春期（P <0.001）。每日的动态距离平均降低3008μm，从小到青春期（P <0.001）。步长平均从儿童到青春期的平均增加0.10？m（p <0.001），而采取的步骤的数量平均降低了5549步（儿童到青春期）（P <0.001）。儿童和青春期之间的步骤数的变化代表了动态距离变化的84.6％，而步长的变化额外解释了13.0％的结论，从小减少的童年到青春期的动态距离减少步数;然而，步长的增加不应该被忽略。

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