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解放以来我区进行了几次较大数量的中小学生生长发育调查,主要项目是身高、体重、坐高和肺活量等形态,机能指标。尚未对性征发育进行过调查,而性征发育也是青少年身体发育的一个重要方面。为了解和掌握我区中小学生性征发育状况,以及各项生长发育指标的变化特点和规律,为对学校卫生保健和体育教学提供依据,我们于1979年4～6月对我区青少年学生进行生长发育调查的同时增加了性征发育指标的调查。
Since the liberation, several large-scale primary and secondary school students’ growth and development surveys have been conducted in our district. The main items are the form and function indexes of height, weight, sitting height and vital capacity. Sexual signs have not yet been investigated, and sexual development is also an important aspect of adolescent physical development. In order to understand and grasp the development of sexual characteristics of primary and secondary school students in our region, as well as the characteristics and patterns of changes in growth and development indicators, in order to provide the basis for school health care and physical education, we in 1979 4 to 6 months of young students in our region Survey of growth and development while increasing sexual development indicators survey.