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首页> 外文期刊>Journal of Sports Medicine and Physical Fitness >Secular trends in physical performance of Australian children: Evidence from the Talent Search program
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Secular trends in physical performance of Australian children: Evidence from the Talent Search program

机译：澳大利亚儿童身体表现的长期趋势：来自人才搜寻计划的证据

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摘要

Aim. This study examined trends in aerobic fitness in 12-15-year-old South Australian schoolchildren in the years 1995-2000, based on data from the Australian Sports Commission's Talent Search program. Methods. A total of 18,631 children were tested. The aerobic performance test used was the 20 m shuttle run test (20mSRT). The 20mSRT scores were expressed as completed laps, and converted to estimated VO_(2max) values. Results. There were significant declines (p=0.04-0.0001) across all age-gender slices, equivalent to 0.18 to 0.36 ml O_2·kg~(-1)·min~(-1)·yr~(-1), or about 0.4-0.8% of mean values per year. The rate of decline is consistent with several other Australian and overseas studies in the years 1980-2000, which have used a variety of aerobic tests across a wide range of age groups. In relation to children of similar age in 7 other countries, Australian children show poor to average aerobic fitness levels. Conclusion. It is possible that the decay in Australian children's aerobic fitness is in part due to reduced physical activity.
机译：目标。这项研究根据澳大利亚体育委员会的人才搜寻计划的数据，研究了1995-2000年间南澳大利亚州12-15岁的小学生有氧健身的趋势。方法。总共对18,631名儿童进行了测试。所使用的有氧性能测试是20 m的往复运行测试（20mSRT）。 20mSRT分数表示为完成的圈数，并转换为估计的VO_（2max）值。结果。在所有年龄性别切片上都有显着下降（p = 0.04-0.0001），相当于0.18至0.36 ml O_2·kg〜（-1）·min〜（-1）·yr〜（-1），或大约0.4每年平均值的-0.8％。下降的速度与1980-2000年间澳大利亚和海外的其他几项研究一致，这些研究对不同年龄段的人群进行了有氧运动测试。与其他7个国家中类似年龄的儿童相比，澳大利亚儿童的有氧健身水平较差。结论。澳大利亚儿童有氧运动能力下降的部分原因可能是体育锻炼减少。

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