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KMID : 0378019900330070107
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New Medical Journal
1990 Volume.33 No. 7 p.107 ~ p.113
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A Semi-longitudinal Study on the Physique and Maximum Growth Age in an Urban Area Students
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Abstract
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The author intended to study by semi-longitudinal research method, the physical status of 329 high school students in urban area(male : 164, female :165) who had born during the period from March 1 in 1970 to Feb. 28 in 1971
The results are as follows
1. Physical growth and development.
Body height showed the first-step linear development and body weight showed second step linear development, but relative body weight showed third-step linear development and female excelled male at second-step development.
The intersecting ages between anile and female were the age 9.5~12.5 in case of body height, the age 10.5~12.5 in case of body weight, the age 10.5~13.5 in case of relative body weight respectively.
During these periods, female excelled male in growth and development, but after these periods, male excelled female.
2. Maximum growth age of body height and body weight.
In case of body height, maximum growth ages were 12.6 for male and 9.8 for female, which shows than M.G.A. of female appeared about 2.8 years earlier than that of male.
In case of body weight, maximum growth ages were 12.8 for male and 11.7 for female, which shows that M.G.A. of female appeared about 1 year earlier than that of male.
In case of relative body weight, maximum growth ages were 12.6 for male and 11.7 for female, which shows that M.G.A. of female appeared about 1 year earlier than that of male.
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