论文部分内容阅读
为了解信宜县青少年学生生长发育的变化规律,从1980年起连续五年对县城及附近乡镇中小学7—12岁的学生共600人进行生长发育追踪观察调查,分为7岁年龄组和12岁年龄组,每组男女生各150名。调查分为:形态指标(包括身高、体重、坐高、胸围、肩宽、骨盆宽);机能指标(包括血压、脉博、肺活量);第二性征指标(包括乳房、
In order to understand the changing rules of the growth and development of young students in Xinyi County, we investigated the growth and development of 600 students aged 7-12 years old in county and nearby township primary and middle schools in 1980 for five consecutive years and divided them into 7-year-old age group and 12-year-old group of 150 boys and girls each. Surveys were divided into: morphological indicators (including height, weight, height, chest circumference, shoulder width, pelvis width); functional indicators (including blood pressure, pulse Bo, vital capacity); second sexual characteristics (including breast,