| Promoting students' physical health is an important work of school physical education,strengthening sports participation is an important way to promote students' physical health,and carrying out extracurricular sports activities that students are interested in is an important carrier for pupils to participate in sports.This paper studies the motivation of the students in grade 3-6 who participate in the three ball games after class in changsha city,and studies the characteristics of the motivation of the student's pacticipaction in extrycurrecular sports activityes,aiming at promoting the participation of the student's participater in extrycurrecular sports activityes and enhanceing their physical fitness.Based on the questionnaire investigation,literature material method,mathematical statistics method to changsha elementary student's extracurricular sports participation motivation was studied,the motivation types can be classified into five types: health fitness,interest in learning,the target achievement,social demand,entertainment,and between different sex,different grade,the different project for students to analyze the different characteristics of participation motivation,and analyze its influencing factors,according to the results of the research on influencing factors of countermeasures are put forward.research results:(1)Changsha five districts,three counties and one city of the nine primary school students to participate in three ball extracurricular sports activities the biggest motivation intensity is interest in learning,the smallest is entertainment;(2)Students of different genders have significant differences in three aspects: interest in learning,goal achievement and social needs.Boys have higher motivation for interest in learning than girls,while girls have higher motivation for goal achievement and social needs than boys.This is mainly reflected in the fact that boys are more interested in participating in the sport of three balls,while girls are more eager to learn more and improve their communication skills in group activities;(3)There were significant differences among students of different grades in interest in learning,goal achievement,social needs,and health and fitness.Students of different grades have different needs,and their goal achievement,social needs,and motivation for health and fitness increase in intensity as students grow older;(4)There were significant differences in interest in learning and fitness among students who participated in different three sports.Under the influence of policy support and project characteristics in recent years,students who participate in football and basketball have stronger interest motivation than those who participate in volleyball. |