An Empirical Study On The Effects Of Sports Dance On Children's And Juvenile Physical Fitness

With the progress and development of social civilization,children and teenagers' education and physical quality have been paid more and more attention.The sports dance for a collection of music,dance,and aesthetics,since it came into China,have become popular as a new type of sports because of its type,style diversity.At present,learning sports dance have become more common.International standard dance schools and sports dance training classes around the country are becoming more and more,having attracted the attention of children and adolescents.So,the influence of sports dance movement on children and teenagers' physical fitness is worth to explore,to find out the impact of sports dance movement on children and teenagers' physique and physical fitness and existing problems.The research object of this topic is the impact of sports dance on children and teenagers' physique and physical fitness with a random sample of forty 7-10 years old children and forty 11-14 years old teenagers in ZhuMa Dian for the experimental study of 32 weeks,by using literature method,experimental method,interview method and mathematical statistics method,etc.Among them,children group and teenager group are respectively divided into two groups(Sports dance group and the control group with no exercise intervention,each group of 20 people),the results of the research are as follows:1.After the experiment of 32 weeks,every index of each children group and teenager group on bodyshape has a different degree of change.These four indicators,height,arm length,leg length and chest circumference in each group had no significant difference in contrast.From children in weight have significant difference in contrast.In children groups,comparison on body weight and BMI between groups had significant difference.In teenager groups,comparison on body weight and BMI between groups had extremely significant difference.2.After the experiment of 32 weeks,every index of each children group and teenager group on body posture has a different degree of change.These indicators-the back check and side check of the spine,the check of upright posture and the check of legs in each group had no significant difference in contrast.In children experimental group,there were two more out after the experiment than before the experiment,and there is no change in teenager experimental group.The number of mild flatfoot children in the children experimental group after the experiment has decreased five,children in the control group have reduced two children.And in young groups,there were no changes before and after the experiment.,3.After the experiment of 32 weeks,every index of each children group and teenager group on physiological function has a different degree of change.Pulse and blood pressure under quiet state in each group had no significant difference in comparison between groups,but the comparison between vital capacity and step experiment in each group have significant difference.4.After the experiment of 32 weeks,every index of each children group and teenager group on physical quality has a different degree of change.In children groups' comparison between groups,Except for back strength,grip strength and kneeling push-ups,other five indicators had significant differences.In teenager groups' comparison between groups,all nine indicators have significant differences.Through the contrast research of the sports dance movement's impact on children and teenagers' body shape,body posture,physiological function,physical quality and other indicators before and after the experiment,the research conclusion are as follows:1.Sports dance movement has a strict attitude,head,shoulder,cross and feet are in one line to keep children and teenagers' body healthy.2 Sports dance movement requires children and teenagers to have a straight back and toe out stance.If the children learn sports dance too early and improperly,it can cause physiological bending and toe out.3.The breath characteristic of sports dance movement has a good promoting function for the respiratory system of children and teenagers,can increase lung capacity of children and adolescents.4.Different combination of the alternate direction and shape control action in sports dance movement have a positive role in promoting muscle coordination,flexibility and the flexibility of the joints for children and adolescents5.Various movements,posture change and combination of the speed of the routine practice in sports dance movement have obvious increase with coordination for children and teens.6.Sports dance movement has a significant effect on promoting the flexible quality,reaction ability,speed,quality,sensitive quality,coordination and balance ability of children and teens,meeting at a variety of sensitive period of development of the special needs of children and teenagers.