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本文作者为了进一步探讨儿童青春期前正常生长发育的过程及规律,对一组儿童生长发育资料进行了分析。本文的研究对象包括1972～1976年出生的135名正常儿童,其中男80人、女55人。从3岁到青春期突增开始,每半年测量一次身高、坐高和腿长,应用计算机对数据进行统计分析。本文的研究结果表明:儿童在青春期前的身高增长速度有一定周期性,尤其是在儿童中期,不论男女儿童绝大多数都出现身高突增,女孩身高突增的最高速度为6.83cm/
In order to further explore the process and regularity of children’s normal growth and development before puberty, the author analyzed the data of a group of children’s growth and development. This study includes 135 normal children born between 1972 and 1976, including 80 males and 55 females. From the age of 3 to the sudden increase of adolescence, height, height and leg length were measured every six months, and the data were statistically analyzed by computer. The results of this study show that the height growth rate of children before puberty has a certain periodicity. Especially in mid-childhood, the maximum height of girls and boys suddenly increases to 6.83 cm /