青少年不同强度身体活动与身体成分的关系  

Associations between physical activity intensity and body compositions in adolescents

作　　者：侯筱 李红娟[1] 刘静民 HOU Xiao;LI Hongjuan;LIU Jingmin(School of Sports Somatic Science,Beijing Sport University,Beijing(100084),China;不详)

机构地区：[1]北京体育大学运动人体科学学院,北京100084 [2]清华大学体育部

出　　处：《中国学校卫生》2023年第6期888-892,896,共6页Chinese Journal of School Health

基　　金：2022年度教育部人文社会科学研究青年基金项目(22YJC890008)。

摘　　要：目的 研究青少年不同强度身体活动水平和身体成分指标之间的相关性,为中国青少年身体成分的改善提供指导。方法 采用随机数编码抽样法,于2019年9-12月在北京市清华附中等8所中学抽取971名初、高中学生进行基于生物电阻抗的身体成分测量和基于加速度计的身体活动水平测量。采用独立样本t检验、Pearson相关系数法和多元线性回归法进行统计学分析。结果 初、高中阶段男生静坐行为(SB)均低于女生,高强度身体活动(VPA)和中高强度身体活动(MVPA)均高于女生(t值分别为-1.98,-8.09;5.20,4.52;3.53,4.03,P值均<0.05);男生低强度身体活动(LPA)、中等强度身体活动(MPA)仅高中阶段高于女生(t值分别为3.67,5.63,P值均<0.01)。初中男生全身LM与MVPA(β=0.302),全身骨矿物质含量(BMC)与SB(β=-0.001)、MVPA(β=0.002),全身脂肪含量(FM)与SB(β=0.050)、MVPA(β=-0.323)之间存在相关关系;初中女生全身LM与LPA(β=0.080)、MVPA(β=0.613),全身BMC与SB(β=-0.004)、MVPA(β=0.008),全身FM与MVPA(β=-0.237)之间存在相关关系;高中男生全身LM与MVPA(β=0.393),全身BMC与SB(β=-0.001)、MVPA(β=0.002),全身FM与MVPA(β=-0.393)之间存在相关关系;高中女生全身LM与LPA(β=0.063)、MVPA(β=0.601),全身FM与SB(β=0.029)、MVPA(β=-0.529)之间存在相关关系(P值均<0.05)。结论 青少年身体活动水平和身体成分特征存在性别差异和定量化的相关关系。相关部门应为青少年提供个性化的身体活动剂量指导,改善青少年的身体素质。Objective To study the specific correlation between physical activity intensities and body compositions of adolescents and to provide guidance for the improvement of various body compositions of Chinese adolescents.Methods From September to December 2019,body composition measurement based on bioelectrical impedance analyzer and the physical activity measurement based on accelerometers were performed among 971 adolescents from 8 high schools,such as Tsinghua Middle School in Beijing,by random number coding sampling.Statistical analysis was conducted by using independent sample t-test,Pearson correlation coefficient method and multiple linear regression method.Results Sedentary behavior(SB)of the junior and senior high school boys was significantly lower than that of girls,while the VPA(vigorous physical activity)and moderate-vigorous physical activity(MVPA)were significantly higher than those of boys(t=-1.98,-8.09;5.20,4.52;3.53,4.03,P<0.05).light physical activity(LPA)and moderate physical activity(MPA)of boys were significantly higher than those of girls in the senior high schools(t=3.67,5.63,P<0.01).Lean mass(LM)of the junior school boys was correlated to their MVPA(β=0.302),bone mineral content(BMC)was quantitively related to SB(β=-0.001),MVPA(β=0.002),and fat mass(FM)was related to SB(β=0.050),and MVPA(β=-0.323)(P<0.05).LM of junior school girls was quantitively correlated to LPA(β=0.080)and MVPA(β=0.613).And there was also correlation among BMC,SB(β=-0.004)and MVPA(β=0.008)between FM and MVPA(β=-0.237)(P<0.05).There was a correlation between total body LM and MVPA(β=0.393),total body BMC and SB(β=-0.001),MVPA(β=0.002),and total body FM and MVPA(β=-0.393)in senior high school boys(P<0.05).There was a correlation between senior high school girls'total body LM and LPA(β=0.063),MVPA(β=0.601),total body FM and SB(β=0.029),and MVPA(B=-0.529)(P<0.05).Conclusion There are gender differences and correlations between adolescent physical activity intensity and body composition.It is recommended that re

关 键 词：运动活动 身体成分 回归分析 生长和发育 青少年 

分 类 号：G804.49[文化科学—运动人体科学] G633.96[文化科学—体育学] R179[医药卫生—妇幼卫生保健]