Research On The Influence Of Crossfit Training On The Health And Physical Pitness Of Primary School Students

At present,the state attaches great importance to the development of youth sports,and adopts a series of national policies to promote its development.However,the physical problems of youth can not be completely improved overnight.As an important and effective way to improve the physical health of teenagers,school physical education needs to integrate innovative physical training methods on the basis of completing the course content and cultivating students' physical health.Teenagers and children are in the active age with strong thirst for knowledge and strong curiosity.Simple,interesting and effective training methods can unconsciously cultivate students' interest in physical exercise,which requires school physical education teachers to pay attention to the individual differences of students' growth and development,innovate teaching methods and expand training methods.As a new training method,crossfit training is widely used in various groups and fields.The characteristics of crossfit training,such as simplicity,content diversity,customization,comprehensive development,efficiency and functionality,meet the current situation of lack of school sports facilities and single means of physical training.Therefore,this study takes the national physique test standard as the index to develop the crossfit training plan for the fifth grade primary school students.By analyzing the changes of various indexes before and after the training,it can provide some theoretical basis for enhancing the health and physical fitness of primary school students.At the same time,it can also enrich the physical training methods of Physical Education Curriculum under quality education,and provide scientific and reasonable reference for physical education teaching.The research object of this paper is the influence of crossfit training on the health and physical fitness of primary school students.Five methods are used in the research,including literature,interview,experiment,mathematical statistics and logical analysis.Taking the students of two natural classes in grade five of Liujia primary school as the experimental objects,the experiment was divided into two experimental groups: boys and girls.By comparing the indexes of health fitness measured before and after the experiment between the two groups,the data were analyzed by Excel,SPSS and other software(1)The effect of crossfit training on the body composition of primary school students' health and physical fitness is little by body mass index.(2)Crossfit training has a significant positive effect on the changes of central lung fitness,especially the changes of vital capacity.(3)Crossfit training can significantly promote the changes of flexibility in pupils' health fitness,and improve the flexibility of the body.(4)Crossfit training can effectively improve the physical fitness of primary school students,including muscle strength and muscle endurance.According to the above analysis and conclusion,this paper puts forward relevant suggestions for primary school physical education classroom,physical education teachers and school:(1)primary school physical education classroom can add such novel,interesting and efficient physical training content as crossfit training to attract students' interest in sports(2)School physical education teachers in improving their teaching level at the same time continue to innovate physical training methods suitable for primary school students(3)Schools should pay more attention to students' physical health,give them enough time for physical exercise,cooperate with society and families,and make contributions to improving teenagers' physical health.