南阳地区回族小学生体成分测定

Body composition measurement of Hui ethnicity pupils in Nanyang

目的：调查南阳地区回族小学生的体成分数据，了解其体成分年龄变化特点及规律。方法：利用生物电阻抗法对南阳地区回族小学生进行体成分检测。结果：南阳市回族小学男女生体质量、身高、肌肉量和去脂体质量随着年龄的增长而呈增高趋势，9岁时增长变化比较明显，且10岁以前男生高于女生。10岁以后女生身高和体质量超过男生。男生体脂率9岁时达到最高值，而女生体脂率则整体呈上升趋势，且体脂率女生高于男生、城市高于农村。小学生营养问题发生率高，体质量过轻发生率女生高于男生、农村高于城市，超重的发生率男生高于女生、城市高于农村。男女生骨含量均随着年龄增长而增加，9岁前男生高于女生，9岁后女生高于男生，且城市一直高于农村。结论：南阳地区回族小学生身体成分的年龄变化既有性别差异又有城乡差异；目前在校小学生的营养不足与超重、肥胖情况仍比较突出；骨含量的性别差异及地区差异并不明显。

Objective： Hui elementary students＇ body composition was investigated in Nanyang region to know the characteristics and regularity of body composition change with age. Methods： The biological resistance was used to detect the body composition of Hui primary school students in Nanyang region. Results： Boys of Hui ethnicity showed a high correlation between weight and removal of the fat weight; Girls＇ weight and fat weight, fat mass had higher correlation. Both boys and girls showed a high correlation between fat rate and body fat rate and the fat rate of girls grew faster than boys. The rate of underweightness was higher in girls than boys, and rural areas than the city; Boys had a higher rate than girls on incidence of overweightness and obesity, the city was higher than the countryside. Conclusion： There are gender and area differences when it comes to the age-related change of body composition change of Hui pupils in Nanyang. Boys and girls show consistent weight and fat gain; At present nutritional deficiencies and overweightness and obesity of Nanyang pupils is still striking.