Abstract
In Japan, living of people became convenient in the time of high economic growth. Many people became inactive, and their physical functions had begun to show some negative changes. Furthermore, the pollution influenced negative health. On the other hand, it was considered that causes of such physical negative changes were "decrease of physical fitness". Therefore, "promoting of physical fitness" in school was strengthened, and as a result, a behavioral fitness showed some positive changes too. In various physical changes of children, we proceeded a study with the following methodology in order to make clear a problem of physical growth and development. 1) Primarily, we made a national network of health in Japanese children. 2) Nationwide investigation about "abnormalities in physical functions of children" which teachers in the school felt actually was started, and this survery was continued every 5 years. 3) About a matter of the felt actually, the fact research was carried out. 4) The whereabouts in problems of physical changes by investigating according to method and evaluation standard same as the past was searched. 5) We analyzed the results of the nationwide investigation of the Ministry of Education, Science, Sports and Culture, and were able to discover success and problems of "promoting of physical fitness" in schools. As the results of accomplishing our study based on our methodology as the above, the fact about developmental disorders among the Japanese children was able to discover as follows. a) Activity of the prefrontal cortex b) Sensory function such as muscular sense and visual funcion of three-dimensional c) Autonomic nervous system d) Thermo regulation function We investigated thoroughly physical changes among the Japanese children by our methodology, and the developmental disorders and physical disorders which a worse condition were covered. The actual feeling of the Yogokyoyu in school was useful very much to find these changes quickly.
