Dalian City Elementary And Middle School Student’s Physical Change Trend Analysis

Improvement and enhancement of the national constitution is the motive force of the development of the comprehensive national strength youth is a manifestation of national vitality, are an important group of inheritance of national soft power and the hard power. Therefore, this group of physical health of social concern. In order to understand the national physique level of our youth, selection of key city sports big province of Liaoning Province as the research object, Dalian. The monitoring result of students constitution Dalian city for a period of time, to reflect the basic situation and developing trend of the population in this period of physical, physiological function, exercise capacity, change, make a concrete analysis of the data, in order to improve the healthy development of primary and secondary school students to provide a reliable basis for Dalian city.In this paper, using the method of literature, interview method, mathematical statistics and other research methods. In20102005, Dalian City schools (7-18years old) health survey data of students as the object of study. First of all, to analyze data of2010and2010constitution, Dalian, Dalian City, and includes the primary and middle school students physical contrast, finally compares Dalian City in2010and2005primary and secondary school students. Through the analysis of transverse and longitudinal contrast, main factors that affect the physical changes of primary and middle school students in Dalian city. According to the actual situation of Dalian City, put forward countermeasures to development.This study reached the following conclusions:1,In2010Dalian City elementary and middle school students’body shape of height, body weight; body function of the vital capacity, the overall level and age, physical quality of50meters run, standing long jump growth is proportional to, in accordance with the rules of adolescent physical development.2, Liaoning province in2010and contrast, Dalian City there are many index at a low level in the three aspects of body shape, physical function, physical quality.3, compared with20052010, primary and middle school students in most indicators obviously on the low side, that physical condition has a downward trend.4, In2010Dalian City elementary and middle school students "six" prevalence of myopia and Chlamydia ratio is:a substantial rise in the proportion of change, anemia is approximately zero, the prevalence of dental caries and Safaris in the fall, the most obvious is the decline range increased malnutrition students.Development countermeasures are put forward according to the real-time results student physique and Dalian City:evaluation and supervision departments to strengthen the sports and health education; school seriously in accordance with the "school physical education and health standards" to perform various tasks; parents to change their ideas and the school for students decompression; students and teachers create fitness way, collecting health tips, make the Constitution and knowledge to.