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      Analysis on the variation trend of lower limb strength and flexibility of college students in Ningxia region from 2000 to 2014

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          Abstract

          Objective This paper analyzes the changing trends of lower limb strength and flexibility in colleges in Ningxia for 14 years, and provides a reference for government and school to jointly guide college students to improve their lower limb strength and flexibility.

          Methods Data of physical health of 19 to 22 years old college students in Ningxia were collected from 2000 -2014. Mean value, standard deviation and index compliance were used to describe the development trend of lower limb strength and flexibility indexes.

          Results From 2000 to 2014, the variation trend of lower limb strength of boys and girls in ningxia university was basically the same, and they all decreased first, then increased and then decreased ( P<0.05). The variation trend of flexibility of boys and girls was basically the same, rising first and then falling ( P<0.05). The mean values of standing long jump and sitting forward bend of boys and girls were higher in rural area than in urban area ( P<0.05). There was no age group difference in the mean of standing long jump of girls in 2014, and no age group difference in the mean of standing long jump of boys and girls in other years ( P<0.05).

          Conclusion The lower limb strength and flexibility of boys and girls in Ningxia from 2000 to 2014 showed a declining trend, and effective intervention measures should be taken in time.

          Abstract

          【摘要】 目的 分析宁夏地区大学生 2000—2014 年来下肢力量与柔韧性的变化趋势, 为指导大学生提髙下肢力量与 柔韧性提供参考。 方法 从 2000—2014 年全国学生体质健康调研数据中选取宁夏地区 19~22 岁年龄段的大学生体质健 康数据, 采用均值±标准差及指标达标情况进行描述, 分析下肢力量与柔韧性指标的发展趋势。 结果 2000—2014 年, 宁 夏地区大学生男、女生下肢力量变化趋势均呈先降后升再降 ( P 值均<0.05)。男、女生柔韧性变化趋势均先升后降 ( P 值均 <0.05)。男生坐位体前屈和 2010 年立定跳远均值均表现为农村髙于城市, 女生 2000 年坐位体前屈农村髙于城市, 差异均 有统计学意义 ( t 值分别为 −2.96, −4.51, P 值均<0.05)。2014 年不同年龄段女生立定跳远均值差异有统计学意义, 其余各 年份男、女生立定跳远及坐位体前屈的年龄差异均无统计学意义 ( P 值均>0.05)。 结论 2000—2014 年宁夏地区大学生 男、女生下肢力量与柔韧性水平均有下降趋势, 需及时采取有效干预措施。

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          Author and article information

          Journal
          CJSH
          Chinese Journal of School Health
          Chinese Journal of School Health (China )
          1000-9817
          01 October 2019
          01 February 2020
          : 40
          : 10
          : 1536-1538
          Affiliations
          [1] 1School of Public Health and Management, Ningxia Medical University, Yinchuan (750004), China
          Author notes
          *Corresponding author: Zhao Haiping, E-mail: zhpgj@ 123456163.com
          Article
          j.cnki.1000-9817.2019.10.027
          10.16835/j.cnki.1000-9817.2019.10.027
          0aa6d390-639c-4448-8a68-c2ab75e6a7c3
          © 2019 Chinese Journal of School Health

          This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 Unported License (CC BY-NC 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. See https://creativecommons.org/licenses/by-nc/4.0/.

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          Self URI (journal-page): http://www.cjsh.org.cn
          Categories
          Journal Article

          Ophthalmology & Optometry,Pediatrics,Nutrition & Dietetics,Clinical Psychology & Psychiatry,Public health
          Growth and development,Pliability,Students,Lower extremity

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