摘要:
分析2005-2014年黎族7~18岁学生运动素质变化趋势,为采取有效措施促进黎族学生体质健康提供科学依据.方法 采用2005-2014年全国学生体质与健康调研数据,比较海南黎族中小学生速度、下肢爆发力和耐力素质指标.结果 2014年黎族学生运动素质整体随年龄增长而提高,且男生优于女生,但女生50 m跑最好成绩在11~13岁.2005-2014年间,黎族7~18岁学生50 m跑成绩女生提高0.43 s(P<0.01),男生提高无统计学意义;但7~12岁学生成绩均提高(P值均<0.01),其中男生提高0.34 s,女生提高1.04 s.7~18岁立定跳远成绩女生提高了3.75 cm(P<0.01),男生提高无统计学意义,但13~18岁男生成绩提高了5.94 cm(P<0.01).7~12岁学生耐力跑成绩下降(P值均<0.01),其中男生下降3.43 s,女生下降2.75 s;13~ 18岁学生耐力跑成绩下降明显(P值均<0.01),其中男生下降20.26 s,女生下降6.12 s.结论 2005-2014年间海南黎族中小学生速度和下肢爆发力素质男、女生均不同程度提高,而耐力素质均呈下降趋势.
Abstract:
Objective To analyze the trend of sports quality among Li Nationality students aged 7-18 from 2005 to 2014,and to provide a scientific reference for making effective measures for promotion of their physical health.Methods The data collected by "Chinese national survey on students' physique and health status" of Li Nationality in Hainan from 2005 to 2014 were used to analyze their quality of velocity,lower-limb explosive strength and endurance.Results In 2014,Li Nationality students' ports quality was improved in correlation with age,boys did better than girls,but girls attainted their best results of 50 m dash at age of 11-13 years old.From 2005 to 2014,the score of 50 m dash was improved significantly among Li Nationality girls by 0.43 s (P<0.01),no obvious increase was found among boys,while the results of 50 m dash improved significantly among students aged 7 to 12 (P<0.01,0.34 s' faster among boys and 1.04 s' faster among girls);the score of standing long jump was improved by 3.75 cm among girls,and no obvious increase was found among boys,,while boys aged 13 to 18 increase their result by 5.94 cm(P <0.01).As for endurance running,students aged 7-12 achieved less(P<0.01).Boys' speed was decreased by 3.43 s,while girls by 2.75 s.By contrast,an obvious decrease was found in endurance running among students aged 13-18(P<0.01,20.26 s' slower among boys and 6.12 s' slower among girls).Conclusion Primary and middle school students of Li Nationality in Hainan showed different changing trend in different sports indicators from 2005 to 2014.Velocity,lower-limb explosive strength are improved,but the endurance presented downward trend among students.
点击查看大图
下载:
