中学生体质特征的描述性统计和因子分析--以福建师范大学平潭附属中学为例

Descriptive Statistics and Factor Analysis of Physical Characte ristics of Middle School Students--Take Pingtan High School Affiliated to Fujian Normal University as an Example

该文运用文献资料法、访谈法、数理统计法等方法,对中学生体质特征进行描述性统计和因子分析。研究表明:高中生的身高、体重、肺活量3个指标逐年上升;从整体上来看,50m跑、立定跳远、坐位体前屈、引体向上和1000m跑(男生)、仰卧起坐和800m跑(女生)等指标,高三成绩最好,其次是高一,最后是高二。影响高中学生体质水平的因子共有3个,分别是速度和力量因子、身体形态因子及柔韧因子。

In the context of healthy China,the physical fitness of middle school students is increasingly valued,so it is of great significance to understand the physical characteristics of students.Based on this,this paper makes descriptive statistics and factor analysis on the physical characteristics of middle school students by means of literature review,interview,mathematical statistics and other methods.The research shows that the height,weight and vital capacity of high school students are increasing year by year.On the whole,students scored the best in their senior year in the 50-meter run,the standing long jump,the sitting forward bend,the pull-up and the 1000-meter run for boys,the sit-up and the 800-meter run for girls,followed by their senior year in high school and their second year in high school.There are three factors that affect the physical level of high school students,namely,speed and strength,body shape and flexibility.