| （1.Key Laboratory of Diagnostic and Functional Evaluation of Sports Technology and General Administration of Sport，Guangzhou Sport University，Guangzhou 510500，China；2.Laboratory of Laser Sports Medicine，School of Physical Education，South China Normal University，Guangzhou 510006，China) Abstract: By introducing self similarity and qualitative difference, the authors reanalyzed the survey data about the physical quality and health of students aged 7-19 in China in such two years as 2010 and 2014, and revealed the following findings: 1) from 2010 to 2014, in terms of the physical quality and health level of elementary school students of the same ages in China, the girl students’ increased, while the boy students’ decreased; in terms of the physical quality and health level of university students of the same ages, the boy students’ and girl students’ were both equivalent; 2) from 2010 to 2014, the physical quality and health level of girl students at the ages of 7-10, 13 and 15 in China increased significantly, the physical quality and health level of boy students at the ages of 7-11 and 13-15 increased significantly as well. The said findings did not support such a traditional conclusion as that student physical quality and health declined.
Key words: physical quality and health；teenager；self similarity exponent；topological reanalysis |
