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身高体重等项目是评价儿童少年身体发育状况的基本指标,国内外研究证明:儿童少年的身高体重随着经济,文化生活水平的不断提高具有长期加速之趋势,据北京市等单位调查,在一九五五年到一九七五年的二十年期间,各年令组身高增长幅度在2.0—5.7厘米,平均增高3.6厘米,
Height, weight and other items is to evaluate the physical development of children and adolescents basic indicators of domestic and foreign studies have shown that: children and adolescents height and weight with the continuous improvement of economic and cultural living standards have a long-term acceleration of the trend, according to Beijing and other units surveyed in one During the 20 years from 1955 to 1975, the annual growth rate of the ordinance group was 2.0-5.7 cm in height with an average increase of 3.6 cm.