인문 · 사회편 : 일부도시지역(一部都市地域) 청소년(靑少年)의 성장발육(成長發育)과 최대성장발육년령(最大成長發育年齡)에 관한 유사종단적(類似縱斷的) 연구(硏究) = A Semi - longitudinal Study on the Physique and Maximum Growth Age of Korean Youth in an Urban Area (Pyung Tack City)

다국어 초록 (Multilingual Abstract)

On the basis of the study intended to research by semilongitudinal research the growth-accelerating phenomena that maximum age in teenager’s physique. The subject of study were 463 persons(male : 224, female : 239) that they were born from March, 1 in 1973 to Feb. 28 in 1974 who grew up until the third grade of high school.By use of them, author intended to research M.G.A. of the growth accelerating phenomena in Pyung Tack City in Korea.The results were as follows :1. Physical growth and developmentBody height grew one-step direct-development and body weight, chest-girth and sitting height grew two-step direct-development. Female excelled male in two step development.Intersection phenomena of male and female showed in case of body height : 10.5-13.5, body weight : 10.5-13.5. chest-girth : 12.5-14.5, sitting height : 10.5-13.5.During this period, female excelled male but after these periods, male excelled female again.2. Maximum growth age of physique.M.G.A.’s were 13.44 for male and 11.29 for female which showed that M.G.A. for female appeared about 1.5 year earlier than that of male, in body height.M.G.A.’s were 13.80 for male and 12.36 for female which showed that M.G.A. for female appeared about 1.5 year earlier than that of male, in body weight.M.G.A.’s were 14.01 for male and 13.10 for female which showed that M.G.A. for female appeared about 1 year earlier than that of male, in chest-girth.M.G.A.’s were 13.66 for male and 11.92 for female which showed that M.G.A. for female appeared about 1.7 year earlier than of male, in sitting height.