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为了研究青少年的正常发育规律,我站于88年9月对宜阳县实验中学的843名12～17男女中学生进行了生长发育调查。各年龄组平均发育水平及随年龄上升的发育曲线,结果表明,男女身高、体重和胸围的曲线交叉点是在13—15岁;男生的发育高峰是在15岁以后;女性的发育高峰是在14岁以前,以后缓慢上升。两性别形态指标的增加与年龄均呈正相关(P<0.01);
In order to study the law of normal development of adolescents, I stood in September 88 to Yiyang County Experimental Middle School 843 12 to 17 male and female high school students were investigated for growth and development. The average developmental level of each age group and the growth curve with age showed that the curve intersection of height, weight and chest circumference of men and women was at 13-15 years old; the growth peak of boys was after 15 years old; and the peak of women’s development was at Before the age of 14, after slowly rising. The increase of morphological indicators of both genders was positively correlated with age (P <0.01).