山东省青少年初中阶段体质动态变化特征研究——以潍坊广文中学2014级学生为例

Adolescent of Shandong Province in Junior Middle School Stage Physical Dynamic Change Characteristics Study——Taking the Students of grade 2014 in Weifang Guangwen Middle school as an example

运用调查法、文献资料法、定量分析法和数理统计法对2014级学生初中阶段三年的体质测试成绩进行统计分析.本次体质测试人数为817人,其中男生395人,女生422人,测试指标包括身体形态方面、身体机能方面和身体素质方面,测试项目包括身高、体重、肺活量、立定跳远、引体向上和仰卧起坐.通过对相关数据进行整理分析,研究青少年初中阶段体质动态变化特征.结论表明:身体形态方面:女生身高、体重增长趋势较男生缓慢,在初三阶段女生发育趋于平缓,基本发育成熟;身体机能方面:男生肺活量增加明显,女生肺活量在初三阶段稍有下降,但心肺功能仍处于良好的状态;身体素质方面:男生生长发育期肌肉力量发展迅速,腰腹肌、腿部肌肉等力量都要强于女生.

In this paper, using the survey method, literature method, quantitative analysis and mathe- matical statistics method,the class of 2014 junior middle school students about three yearsr physical test results are analyzed. The number of physical tests is 817 students,including 395 boys and 422 girls. The test includes body shape, body function and physical quality. The test items include height, weight, vital capacity, standing long jump, pull-up and sit-up.The physical dynamic change characteristics of the teenagers of middle school is studied through collecting and analyzing the relevant data.It can be concluded as follow in the body morphology=the girls~ height and weight increase slower than the boys, the girls who are in the third year of middle school are basically being mature,which will not increase or decrease so much. In the somatic function, boys lung capacity increasses significantly, and girls lung capacity fell slightly in the third year of middle school, but the cardiopulmonary is function is still in good condition. In the physical quality,boys who are in the growing period develop fast in the muscle strength,and the lumbar muscles and the leg muscle strength are stronger than girls.