关键词: 生长和发育, 身高, 生长长期趋势, 青少年, 傈僳族

Abstract: Objective To analyze the secular changes of Lisu adolescents from 1985 to 2014 in Yunnan province,in order to make effective intervention strategies and measures to improve their physical fitness and health. Methods Lisu students aged 7~18 years old participated in the 1985,1995,2005 and 2014 National Survey on Students Constitution and Health were used as subjects.The changes of height,weight,body mass index(BMI),maximum increment age(MIA),median menarcheal age(MMA) and median spermarcheal age(MSA) were analyzed. Results In recent 30 years,the overall increments of Lisu boys and girls were 4.5 cm and 6.0 cm for height,3.1 kg and 4.3 kg for weight,3.6 cm and -0.4 cm for adult height,0.3 kg/m² and 0.3 kg/m² for BMI(from 2005 to 2014),respectively.MIA of boys' and girls' advanced 1.13 years old and 3.17 years old.MSA advanced 0.40 years old from 2005 to 2014,MMA advanced 1.52 years old from 1985 to 2014. Conclusion Lisu adolescents in Yunnan province are experiencing the incomplete secular growth trend,some integrative measurements should be adopted according to the potential in secular changes of physical growth.   

Key words: growth and development, body height, secular growth trend, adolescent, Lisu nationality