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KMID : 0379919840090010161
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Journal of The Korea Socity of Health Informatics and Statistics
1984 Volume.9 No. 1 p.161 ~ p.174
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Comparative Study on the Physiques of the Youth among Korea , Republic of China and Japan
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Abstract
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On the basis of the presented data which took boy and girlstudents as their subjects in Korea, Japan (1978) and Free China (1978), the author intended to compare and analyze the physique-growth statues by age and sex. For that purpose, I had investigated the physical growths (body-height, body-weight and chest-girth) of the three nation´ students during March 1 in 1983 to August 31 with the application of the medians of Korea, Free China and Japan. The results are as follows:
Ⅰ. Body-height (cm)
In case of male, Korean students are superior in their body heights to Japanese students when they are before the year 12.5 and after the year 17; but, during 12.5 to 17, Japanese students are taller. Students of Free China are all inferior to these of Korea and Japan through all these ages.
In case of girl students, Koreans are taller than Japanese when they are before the year 11.5 and after the year 15; while Japanese are taller during the year 11.5 to 15. Chinese are inferior in their heights to Koreans and Japanese until before the rear 15, but superior after that age.
The interesting ages of the heights between male and female are the age 9.5 ─ 11.5 in Korea, 9.5 ─ 12.5 in Free China, and 9.5 ─ 12.5 in Japan. During this period, girls are taller than boys. but after this period boys are taller than girls. Maximal-growth age (M.G.A.) per year for male are the age 11 ─ 12 (6.61 cm), 12 ─ 12 (7.70 cm), and 12 ─ 13 (7.5cm), respectively, and those for female are the age 9 ─ 10 (5.82 cm), 10 ─ 11 (6.16 cm), and 10 ─ 11 (7.2 cm); of Korean students, MGA appears a year earlier than of Free China and Japan.
Ⅱ. Body Weight (kg)
In case of male. Korean and Japanese students show similar growing degrees through all the ages, and the students of Free China indicate a little lower degree than Koreans and Japanese. In case of female, the similar phenomena are showed.
The intersecting ages of the weights between male and female are the ages 9.5 ─ 12.5 in Korea, 10.5 ─ 12.5 in Free China, and 9.5 ─ 13 in Japan. The MGA per year for male is the ages 13 ─ 14 (6.18 kg) in Korea, 12 ─ 13 (6.01 kg) infree China, and 12 ─ 13 (5.7 kg) in Japan, while the MGA per year for female are the ages 11 ─ 12 (5.02 kg) in Korea, 11 ─ 12 (4,64 kg) in Free China, and 10 ─ 11 (5.2kg) in Japan.
Ⅲ. Chest Girth (cm)
In case of boy students Japanese except in the age 10.5 to 12 are superior in chest-girth to Koreans. Students of Free China are a little inferior in chest-girth to Koreans and Japanese through all the ages. In case of girl students, Korean except in the age 10.5 to 13.5, are superior in chest-girth to Japanese. Girl students of Free China show the similar phenomena as boy students. The intersecting ages of the chest-girth between male and female are the ages 10.5 ─ 13.5 in Korea, 11.5 ─ 13.5 in Free China, and 10.5 ─ 13.5 in Japan. During these ages, girls are taller in shest-girth than boys, but except these ages boys excel girls.
The MGA per year for male is the ages 13 ─ 14 (5.19 cm) in Korea, 12 ─ 13 (4.49 cm) in Free China, and 12 ─ 13 or 13 ─ 14 (3.7 cm) in Japan. That for female is the ages 11 ─ 12 (93.86 cm) in Korea 12 ─ 13 (4.19 cm) in Free China, and 10 ─ 11 (4.3 cm) in Japan. The MGA of japanese are around a year earlier than the other two nation.
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KEYWORD
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