目的调查分析兰州汉族青少年跟骨骨强度指数(bone strength index,SI)变化规律,探讨其影响因素。方法采用超声骨密度仪和生物电阻抗分析仪测量662例(男345例,女317例)兰州汉族青少年SI及体重、体质量指数(body mass index,BMI)、去脂体...目的调查分析兰州汉族青少年跟骨骨强度指数(bone strength index,SI)变化规律,探讨其影响因素。方法采用超声骨密度仪和生物电阻抗分析仪测量662例(男345例,女317例)兰州汉族青少年SI及体重、体质量指数(body mass index,BMI)、去脂体重、脂肪量4项体成分指标,采用Pearson相关分析法和多元逐步回归法探讨SI的影响因素。结果总体来看,随年龄增加,兰州汉族青少年SI以及身高、体重、BMI、去脂体重、脂肪量5项指标均呈上升趋势。但是,不同性别以及不同年龄段各指标的增长速度存在差异,一般在17岁组或18岁组达到峰值,其中14岁左右为骨发育速度高峰。SI仅在总体上和13岁组存在性别差异且女性大于男性。SI与性别、年龄、身高、体重、BMI、去脂体重、脂肪量均呈正相关关系。而性别、年龄和BMI是SI的主要影响因素。结论兰州汉族青少年SI在不同性别和不同年龄段间变化规律不同,主要的影响因素为性别、年龄及BMI。展开更多
This paper aims to analyze the characteristics of body composition changes of Uygur collegestudents and explore the correlation between their body composition and lifestyle.A cross-sectional investigationwas conducted...This paper aims to analyze the characteristics of body composition changes of Uygur collegestudents and explore the correlation between their body composition and lifestyle.A cross-sectional investigationwas conducted on 526 Uygur students(264 males and 262 females)by using the stratified cluster samplingmethod.Questionnaires were used to study their lifestyles,and bioimpedance analyzers were used to measure thebody composition-related indicators.It was found that there were gender differences in various body compositionindicators of Uyghur college students at different ages,and the average value reached a peak in the 21-year-oldgroup.The average BMI,the average BFP and the average WHR were within normal ranges.Compared withother college student groups recently reported,the obesity rate was relatively lower.The proportion of Uyghurgirls with abnormal BFP was higher than that of boys,and the proportion of boys with abnormal WHR and VAIindexes was higher than that of girls.Exercise status was negatively correlated with fat mass,BFP and WHR,and positively correlated with other indicators.Therefore,Uygur college students'body composition indicatorsvary with gender and age.Exercise has a significant effect on many body composition indicators of Uygur collegestudents,and can effectively improve the proportion of body composition.展开更多
文摘目的调查分析兰州汉族青少年跟骨骨强度指数(bone strength index,SI)变化规律,探讨其影响因素。方法采用超声骨密度仪和生物电阻抗分析仪测量662例(男345例,女317例)兰州汉族青少年SI及体重、体质量指数(body mass index,BMI)、去脂体重、脂肪量4项体成分指标,采用Pearson相关分析法和多元逐步回归法探讨SI的影响因素。结果总体来看,随年龄增加,兰州汉族青少年SI以及身高、体重、BMI、去脂体重、脂肪量5项指标均呈上升趋势。但是,不同性别以及不同年龄段各指标的增长速度存在差异,一般在17岁组或18岁组达到峰值,其中14岁左右为骨发育速度高峰。SI仅在总体上和13岁组存在性别差异且女性大于男性。SI与性别、年龄、身高、体重、BMI、去脂体重、脂肪量均呈正相关关系。而性别、年龄和BMI是SI的主要影响因素。结论兰州汉族青少年SI在不同性别和不同年龄段间变化规律不同,主要的影响因素为性别、年龄及BMI。
文摘This paper aims to analyze the characteristics of body composition changes of Uygur collegestudents and explore the correlation between their body composition and lifestyle.A cross-sectional investigationwas conducted on 526 Uygur students(264 males and 262 females)by using the stratified cluster samplingmethod.Questionnaires were used to study their lifestyles,and bioimpedance analyzers were used to measure thebody composition-related indicators.It was found that there were gender differences in various body compositionindicators of Uyghur college students at different ages,and the average value reached a peak in the 21-year-oldgroup.The average BMI,the average BFP and the average WHR were within normal ranges.Compared withother college student groups recently reported,the obesity rate was relatively lower.The proportion of Uyghurgirls with abnormal BFP was higher than that of boys,and the proportion of boys with abnormal WHR and VAIindexes was higher than that of girls.Exercise status was negatively correlated with fat mass,BFP and WHR,and positively correlated with other indicators.Therefore,Uygur college students'body composition indicatorsvary with gender and age.Exercise has a significant effect on many body composition indicators of Uygur collegestudents,and can effectively improve the proportion of body composition.
