论文部分内容阅读
用随机分层抽样方法，对７岁～１６岁广西玉林地区博白、陆川两县１１３５名中、小学生体质发育２３项指标测量调查。选身高、躯干长、上肢长、下肢长进行男女学生对比，结果男女生的发育趋势一致，但突增期不同（男１０岁～１１岁，女１２岁～１３岁）。对上肢长／身高指数分型，发现男女生的上肢长／身高指数均集中在短型（分别为９８．０％，９８．２％）；对下肢长／身高指数分型，发现男女生的下肢长／身高指数多在长型（男５８．５％，女４３．５％）和短型（男３３．６％，女４３．１％）。与全国和日本的身高资料对比，该地区学生身高最低；男性的最大差值分别为９０．７ｍｍ（１６岁），１２０．６ｍｍ（１６岁）；女性的最大差值分别为５７．８ｍｍ（１６岁），８６．１ｍｍ（９岁）。
A random stratified sampling method was used to survey the 23 indicators of physical development of 1135 middle school and primary school students aged from 7 to 16 in Bobai and Luchuan counties of Yulin, Guangxi. Select the height, length of the trunk, the length of the upper limbs, lower limbs for male and female students, the results of the development trend of boys and girls consistent, but the sudden increase of different (male 10 to 11 years old, female 12 years old to 13 years old). For the upper limbs / height index type, it was found that the upper and lower limb length / height index of both boys and girls were shorter (98.0% and 98.2%, respectively); for the lower limbs / height index, The lower limbs / height index in long type (58.5% male, female 43.5%) and short type (male 33.6%, female 43.1%). Compared with the height data of the whole country and Japan, the height of the students in this area is the lowest; the maximum differences for males are 90.7mm (16 years old) and 120.6mm (16 years old) respectively; and the maximum difference for females is 57.8mm Year old), 86.1 mm (9 years old).