The Study On The Substrate Metabolism And Energy Expenditure During Different Exercise Intensity In Overweight And Obese Young Men

After children's dance practitioners practice different years of jazz dance and Chinese dance,the physical fitness of each indicator will change.In addition,with the increase in the number of years of practice,the difference between the two is the main purpose of this study.In the process of research,the comparison of the effect of long-term training of Jazz Dance and Chinese Dance on children's physical constitution includes the use of literature,test,comparative analysis,and mathematical statistics methods.The comprehensive study and analysis of the influence of Chinese dance on its physical fitness after long-term training.Through the study,the following conclusions are drawn:1 jazz dance is a rapid and dynamic rhythmic dance,which includes rapid movement of the center of gravity,independent movement of various parts of the body,coordination of body movements,etc.The characteristics of Chinese dance include jumping,turning and rotation.2 For a long time,the energy and fat consumed by the jazz dance can be relatively high,which can greatly reduce the weight of children.And practicing Chinese dance for a long time can effectively improve children's basal metabolic rate.From the index changes of body shape,long time practice of jazz dance children's height,chest circumference,hip and thigh circumference is slightly higher than that of Chinese dance practice children's height,and practicing Chinese dance little arch of the foot high index is higher than that of jazz dance practice children's high arches.This shows that the long-term practice of Chinese dance is more conducive to the shaping of children's good shape.3 from the index changes of physical quality,jazz dance and some Chinese dance movements have a positive impact on children's physical quality,because of the different dance techniques,training duration,however,has the different effects on children's physical quality.On the index of flexibility,the indexes of the longitudinal,cross,shoulder and seat of the jazz dance are slightly lower than that of practicing Chinese dance children.However,the strength,agility and speed of the jazz dancers are slightly higher than those of Chinese dancers.4 changes in body function index,jazz dance and Chinese dance training,all need to practitioners to increase volume,increase the oxygen content meet the demand of the body,long-term training function have a positive impact on children's body.The effect of jazz dance on children's body function is more obvious,which can improve children's body function.