INCREASE IN LENGTH OF LEG RELATIVE TO TRUNK IN JAPANESE-CHILDREN AND ADULTS FROM 1957 TO 1977 - COMPARISON WITH BRITISH AND WITH JAPANESE-AMERICANS
INCREASE IN LENGTH OF LEG RELATIVE TO TRUNK IN JAPANESE-CHILDREN AND ADULTS FROM 1957 TO 1977 - COMPARISON WITH BRITISH AND WITH JAPANESE-AMERICANS
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DOI：
10.1080/03014468200005951
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发表时间：
1982-01-01
影响因子：
1.7
通讯作者：
CAMERON, N
中科院分区：
文献类型：
--
作者：
TANNER, JM;HAYASHI, T;CAMERON, N
用Preece-Baines模型I曲线拟合1957年、1967年和1977年收集的5 ~ 17岁学龄儿童数据的年平均值，研究了日本儿童身高、坐高和腿长的长期趋势。1957 ~ 1977年，身高、坐高和腿长的最大增长均提前，男孩提前约一年，女孩则稍短。日本人现在比北欧人早一年成熟。1957 ~ 1977年间，成年身高男孩增加了4.3厘米，女孩增加了2.7厘米，第二个十年的增长幅度小于第一个十年。坐高几乎没有增加;几乎整个长期趋势是由于腿长的变化。与20年前相比，日本人现在的躯干/腿部比例与北欧人更相似，但他们的成年身高仍然低一个标准差。
The secular trends in height, sitting height and leg length in Japanese children have been studied by fitting Preece-Baines Model I curves to the annual mean values from ages five to 17 of school data collected in 1957, 1967 and 1977. The method provides estimates of final adult value, and of age of maximum annual increment.Between 1957 and 1977 the maximal increments in height, sitting height and leg length all became earlier, by about a year in boys and a little less in girls. Japanese now mature about a year earlier than North Europeans. Adult height increased by 4·3 cm in boys and 2·7 cm in girls between 1957 and 1977, the increment being less in the second decade than in the first. Sitting height showed practically no increase whatever; almost the whole secular trend was due to change in leg length. Japanese now have trunk/leg proportions much more similar to those of North Europeans than was the case 20 years ago, but their adult height remains about one standard deviation lower.