兰州市8-18岁青少年体格发育调查

Investigation on Physical Development of Adolescents Aged 8 to 18 in Lanzhou

目的：调查兰州市8-18岁青少年体格发育状况，为提高青少年健康水平提供理论依据。方法：用整群随机抽样方法，调查兰州市三县六区8。18岁青少年体格发育状况，包括身高、体质量、胸围、腰围、臀围、脉搏、血压、肺活量及握力9项指标，以评价其体格发育状况。结果：兰州市8-18岁青少年各项体格发育指标包括身高、体质量、胸围、腰围、臀围、血压、肺活量、握力随年龄增长而逐渐增高，其中以青春期年龄组增长最快，各年龄纽脉搏未见明显差异。小年龄组（女生8-13岁，男生8-14岁）身高、体质量均值与全国平均水平比较差异有统计学意义（P〈0．05）。结论：兰州市8—18岁青少年生长发育在小年龄组（女生8～13岁，男生8-14岁）低于全国平均水平，至青春期（男生15-18岁，女生14～18岁）基本达到全国平均水平。

Objective： By investigating the physical development status of adolescents aged 8 to 18 in Laazhou,to provide theoretical basis for improving the level of adolescents health. Methods： Cluster random sampling method was used to investigate the physical development status of adolescents aged 8 to 18 from three counties six districts of Lanz.hou. Nine indexes of height, body mass, chest circumference, waist circumference, hip circumference, blood pressure, pulse, vital capacity and grip strength were included to evaluate the physical development status of adoles- cents aged 8 to 18. Results： The physical development indexes of adolescents aged 8 to 18 from Lanzhou： height, weight, chest circumference, waist circumference, hip circumference, blood pressure, vital capacity and grip strength increased with the age. Among which, the age of puberty was the fastest growing group, and each age group showed no significant difference between the pulse. The mean value of the height and body mass of the young age group （8 to 13 years old girls, 8 to 14 years old boys） had significant difference to the National average level （P 〈 0.05）. Conclusion： The growing development of adolescents aged 8 to 18 from Lanz.hou in young age group （8 to 13 years old girls, 8 to 14 years old boys） is lower than the national average, for the puberty（boys 15 to 18 years old, girls 14 to 18 years old） almost reaching to the national average.