【摘要】 报道成都市某中学学生1983～1993年生长发育变化.1993年与1983年相比较,身高平均增长3.28cm(男),2.92cm(女),体重平均增长3.32kg(男),4.44kg(女),而胸围增长不明显.三项指标男女发生交叉的年龄,1993年比1983年提前0～1岁,生长发育速度除男生身高1993年各年龄组高于1983年外,女生身高及体重、胸围均无加快现象.更多还原

【Abstract】 This paper reports the secular growth trend of middle school students in chengdu from 1983 to 1993. The results showed that The average increase in body heignt was 3. 28 cm for boys and 2. 92 cm for girls and the average growth in body weight was 3. 32 Kg for boys and 4. 44 kg for girls since 1983. No increase in chestmeasurement was observed. The cross ages for the three indices in 1993 were 0-1 year ahead of that in 1983. The growth speed showed no increase except for the boys’height.更多还原