标题：Epidemiology of Sports and Falling Injuries in Iranian Boys and Girls student: (With Emphasis on Coach Role, Age, Class Capacity, Sports History, physical education courses time)
摘要：The purpose of this study was to investigate the epidemiology of sports injuries and falling in Iranian students at school and during physical education and physical activity at schools. In this study, 6,300 males and female 12-16 year-old junior secondary students from Tehran, Karaj, Yazd, Khorramabad, Sari, Shahrekord, Bandar Abbas, Mashhad and Tabriz participated in the study. Their injuries were recorded in a prospective manner. For data analysis, descriptive statistics and cross-tabulation were used to compare the variables according to gender. Most of the students' injuries were for male at the age of 14 (56.3) and for girls at the age of 13 (32.4%). The findings showed that 457 (10.42%) of the students were injured that highest number of injuries occurred to female students (62.4%) outside the physical education course (35.4) and during the absence of the physical education teacher (67%), but in male students, 45.4% injuries occurred in physical education course during presence of a physical education teacher (61.6%). Girls in highpopulation classes were at higher risk of injury (49 percent), while boys were more likely to be injured in lower-population classes (39.6). Among the various sports, the highest rate of injury in boys was in football (69%) and futsal (11.6%), and in girls were volleyball (17.2%) and handball (4/7 %). Most injuries occurred in crowded classes. Injured students have no history of exercise and they showed more damage with less experience. Most boys' injuries occurred during exercise and for girls during non-exercise activities. It seems that by focusing on the presence of physical education teachers during sports hours and their favorite sports and increasing the activity time in the form of appropriate prevention programs during activity and non-sports, it is possible to prevent students from being harmed. Implementing a comprehensive and appropriate strategy, including appropriate sports activities for each age group, determining and controlling the potential risks of sports activities is very important to prevent injury.
关键词：Role of Physical education teacher;Class capacity;Age;School Based Student
