儿童青少年身体发育水平,是反映一个国家或一个地区儿童青少年健康水平的标志,也是反映一个国家,民族和社会的经济文化、科学技术和生活水平的尺度。随着人类社会的发展,儿童青少年的生长发育水平不断发生变化,发育速度和体型发育也较过去有所不同。因此,研究比较完善的评价方法以评价儿童青少年的生长发育状况是一项重要而艰巨的任务。迄 The level of physical development of children and adolescents is a sign that reflects the health level of children and adolescents in a country or an area. It is also a measure that reflects the economic, cultural, scientific and technological and living standards of a nation, a nation, and a society. With the development of human society, the level of growth and development of children and adolescents is constantly changing, and the growth rate and body development are also different from those in the past. Therefore, it is an important and arduous task to study more complete evaluation methods to evaluate the growth and development of children and adolescents. until