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对普通中小学校中运动组（３２０人）和对照组（３０９人）共６２９名１１～１５岁中小学生的血压进行了对照研究，结果显示，在安静状态下，协方差分析后血压调整均数：运动组ＳＢＰ＝１４２８ＫＰａ，ＤＢＰ＝８．０８ＫＰａ；对照组ＳＢＰ＝１４．６４ＫＰａ，ＤＢＰ＝８．５６ＫＰａ。无论ＳＢＰ或ＤＢＰ，运动组均显著地低于对照组（Ｐ＜０．０５）。负荷运动后，收缩压上升值：运动组为２１０ＫＰａ，对照组为２４３ＫＰａ，运动组明显低于对照组（Ｐ＜０．０５）。且运动时间与血压呈负相关。提示体育锻炼能明显地改善儿童青少年的心血管功能
A total of 629 primary and secondary school students aged 11-15 years in the primary and middle school were enrolled in the study. The results showed that in the quiet state, the mean of blood pressure adjustment after the covariance analysis : Exercise group SBP = 1428KPa, DBP = 8.08KPa; control group SBP = 14.64KPa, DBP = 8.56KPa. The exercise group was significantly lower than the control group (P <0.05) regardless of SBP or DBP. After exercise, systolic blood pressure increased: exercise group 2 10KPa, control group 2 43KPa, exercise group was significantly lower than the control group (P <0.05). And exercise time and blood pressure was negatively correlated. Tip physical activity can significantly improve the cardiovascular function of children and adolescents