Follow - Up Investigation On Physical Health Indexes Of High School Students In Yangzhou City And Analysis Of Influencing Factors

In order to know the situation of the physical fitness and healthy development of students in Yangzhou City high school, the paper chose the Yangzhou University Affiliated High School students and collected the physical monitoring data of423high school students (grade three,197boys,226girls) during three consecutive years (2011—2012grade one,2012—2013grade two,2013grade three)for statistical comparison between grades.Meanwhile, the paper chose the grade three students of Yangzhou University Affiliated High School as the questionnaire objects which should be surveyed by class. Based on using literature, field measurements, questionnaires, mathematical statistics, logical analysis etc., the paper analyzed the status and the trend of the students’ physical health and its affecting factor. The results of this research were as follows:The results:1. Boys were still in the growth stage, the average height of three consecutive years increased significantly (P<0.05). In terms of body shape, the height growth of female students had been basically completed and there were no significant difference (P>0.05) for three years in height. In addition,the weight of male and female students were showed a rising trend with a significantly raise in2012-2013(P<0.01). BMI index showed that the proportion of overweight boys and girls all increased and the proportion of overweight was high.2. In physical function, the lung capacity of boys and girls showed a rising trend (P<0.05), and its raise of boys was faster than girls. But the rate of increase declined during2012to2013.3. In terms of the level of physical fitness and athletic ability, endurance quality has improved between2011and2012, declined between2012and2013(P<0.01). Power quality was rose, but its level was poor. Overall the change of speed quality of the boys was not obvious for three consecutive years, but the decline of the girls’speed was evident during2012to2013(P <0.01). The quality of the overall speed of girls was not ideal.4. The effects of Questionnaires showed:(1) On living habits:The high school students slept for little time every day, and33.21%of the students had5-6hours to sleep,58.49%of the students had6-7hours to sleep.(2) On the exercise habit:Students had less physical activity time, only47.17%of the students chose to participate physical activity in leisure time and the students were not enthusiastic about learning sports skills. The exercise intensity was low, and46.79%of the students had sweat after movement,12.08%of the students had almost no body sweat after movement, and3.02%of students did not feel.(3) At the arrange of school sports work:The time and the venue and equipments of physical teaching could be guaranteed, but the training intensity of students was not enough. There were43.77%of the students believed that the sports electives can improve strength training. In sports lesson the sports skills was master by students, and there were only35.09%of the students believe that they have athletic talent. The teaching effect of sport skills in PE classes was not obvious, and there were18.28%of the students can master the skills from PE classes. The sports enthusiasm of girl was not enough and needed to be improved. The students grasped the theoretical knowledge of sports not well, and PE teachers explained too little sports theory knowledge. Some students did not care about sports with a lower sports enthusiasm.(4) Sports consumption:Sports consumption was low, and64.91%of the students had spent less than one hundred yuan in the sports consumption venues each year,45.66%of the students spend less than200yuan for sports equipment,23.02%of the students spend200-500yuan for sports equipment. On eating habits, more than20%of the students often eat snacks.Summary:The height growth of high school students were normal, but the students in grade three had a larger weight gain, and several physical performances appeared declining or stagnant. These phenomena may be related to excessive pressure of the college entrance examination and physical exercise time was reduce. Thus the school and their parents must pay attention to it:ensure enough exercise time and provide reasonable diets and rich nutrition for the high school student, especial grade three.