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| 计步器与初中体育课MVPA时间关系的探析 |
| A Probe into the Relationship between Pedometer and MVPA Time in Junior Middle School PE Class |
| Received:June 17, 2018 |
| DOI： |
| 中文关键词:初中生 体育课 计步器 中到大运动强度 标准 |
| 英文关键词:Junior middle school student PE class pedometer MVPA standard |
| 基金项目:教育部人文社科课题青年基金项目（15YJC890033）；江苏省教育科学“十二五”规划课题体卫艺专项（T-c/2015/001） |
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| 中文摘要: |
| 主要采用观测法、数据统计法等研究方法，以全国10个省市34所学校的1 156名初中生为研究对象，运用计步器测试并计算出初中生在体育课堂上中到大强度运动（MVPA）的时间和步数之间的关系。结果发现：初中体育课中，71.81步/分钟是完成课堂时间50%的MVPA的分水岭；计步器测试的每分钟步数与MVPA的时间存在线性关系（r≥0.91，P≤0.01）。 |
| 英文摘要: |
| Based on observation, data statistics and pedometer test, with 1 156 junior middle school students from 34 schools in 10 cities/provinces across the country as the research subjects, this paper conducted a research into the relationship between the moderate and vigorous physical activity (MVPA) time and the number of their steps in physical education (PE) class. The results showed that 71.81 steps/min is the divide for completing 50% MVPA time in junior middle school PE class, and that there exists a linear relationship between the MVPA time and steps/time measured by the pedometer(r≥0.91，P≤0.01). |
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