The Comparison and Analysis of Physical Development of Kazak Students for the Past 10 Years

For the development status of Kazak children and adolescents, the authors measured (2589) Kazak urban students of the age between 7 and 18 years old. The measurements include stature, body weight, sitting height, chest circumference, shoulder and pelvic width. The results that all indexes are increased along with the accretion of age. The average increasing values of all indexes of boys are (higher) than those of the girls. Compared with the results of the same investigation in 1985, values of (stature,) body weight, and chest circumference changed recent 10 years. The rush age of stature growth are still at 14-year-old for boys and 10-year-old for girls. The increment of sitting height is not in (corresponding) proportion to the stature. There are negative values of shoulder width increment in some age groups of female, and pelvic breadth in all age groups of both male and female. It indicates that the body constitution of Kazak students has changed comparing with that of 10 years ago.