Taiikugaku kenkyu (Japan Journal of Physical Education, Health and Sport Sciences)
Online ISSN : 1881-7718
Print ISSN : 0484-6710
ISSN-L : 0484-6710
Regional and Sex Differences on the Phenomenon of Growth in Height
M. TokunagaJ. Fujimoto
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1972 Volume 17 Issue 2 Pages 75-80

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Abstract

The purpose of this study was to make clear the regional and sex differences on the growth curves and the growth velocity curves in height. The subjects were boys and girls in a rural district (Hatae), a mountain village (Gokanosyo) and fishing villages (Oshima and Genkai). These subjects were measured longitudinally from 10 to 14 years old. The first study was carried out from 1956 to 1960 and the second from 1964 to 1968. The main results obtained were as follows : 1. Girls in the rural district grew significantly taller in height. Girls in the rural district and fishing villages and boys in fishing village (Genkai) grew earlier to the peak of growth velocity curve in height. 2. In the second study, for boys in the rural district and fishing villages, the peak of the growth velocity curve in height was between about 12 and 13 years old and for girls, was between 9 and l0. But, boys in mountain village were between 13 and 14 years old, and girls were between 10 and 11. On the sex differences, girls in the four areas showed 2-to 3-years earlier peak in the growth velocity curve of height than boys. 3. It was found that the growth curve in height from 6 to 14 years old of boys and girls who had an earlier peak in the growth velocity curve was superior to boys and girls who had later peak.

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© 1972 Japan Society of Physical Education, Health and Sport Sciences
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