Biomechanical Analysis Of Lower Limbs During Volleyball Blocking Movement With Different Hardness Mid-sole Shoes

Badminton is one of the major projects for China to win gold at the Olympics.The Chinese badminton national team is always the most competitive team in the world.In recent Olympic cycles,the single item of Chinese badminton men's doubles is in the alternating stage of old and new.The competition pattern of Chinese and foreign badminton men's doubles has also undergone new changes.The Chinese men's doubles have experienced serious faults and are frequently receiving excellent foreign talents.The impact of young athletes.In today's increasingly competitive badminton sport,it is necessary to comprehensively enhance the overall strength of the Chinese men's doubles and further improve the technical level and tactical level of the men's doubles combination.Therefore,this paper aims to use the literature data method,video analysis method,mathematical statistics method and other methods to study 15 games in the top badminton men's doubles competition between 2012 and 2017,mainly in serving,receiving and serving.The ball skill and tactics are the entry points,and the key points of the Chinese men's doubles and the foreign men's doubles are compared and analyzed.This reveals the similarities and differences,changes and the latest development trends of the excellent double-player skills and tactics of Chinese and foreign badminton men.It provides a theoretical reference for scholars engaged in badminton men's doubles technical and tactical research and workers engaged in badminton teaching and training.Conclusion:1.The service placement of excellent badminton men's doubles athletes in China and abroad are mainly in the 1st and 5th areas.The receiving placement are mainly in the middle court area,followed by the 2nd area.The techniques of front court playing,serving and receiving are mainly net shot and net kill.In the middle court playing,drive technique is used most frequently,and smash technique is mainly used to deal with the balls that land in the backcourt.The tactic of the whole middle court is mainly based on the principle of "net play and post-attack".2.On the change of serve,excellent foreign men's doubles performs slightly better.The stability of serving and receiving of the Chinese men's doubles is more advantageous than that of the foreign men's doubles.However,the overall serving and receiving effect of the Chinese men's doubles is not as good as that of the foreign men's doubles.Chinese men's doubles does not have advantages in front court net playing technique,middle court block technique and backcourt high clear and drop shot techniques.However,the scoring ability of Chinese men's doubles,including backcourt offense and key balls,still has certain advantages.3.In a word,the excellent men's doubles athletes in China and abroad,based on their own characteristics and the techniques and tactics of serving and receiving,will continue to strengthen the control and competition for the first half of the court,and the usage of the backcourt smash and drop shot continues to increase.It will show the latest trend of more intense competition,more delicate and concealed technical movements,faster conversion of offense and defense in the first half of the court,and the significantly increasing competitiveness in the game.Advice:1.On the basis of the service placement in the 1st,5th and middle court areas,the change of other placements should be strengthened.Scientific multi-ball exercises should be targeted during the training period.2.The front court technique should appropriately increase the usage of net shot and net play.Routine training should consciously strengthen the net play technique,enhance the athlete's self-confidence,and be able to adapt to the game.Middle court technique should appropriately increase the use of high-quality block technique.The backcourt technique should combine smash and drop shot and appropriately increases the usage rate,while improving the defensive ability in passive situation.3.The differences in the types of men's doubles techniques and tactics have prompted them to form their own playing style.Men's doubles athletes should complement each other to raise strengths and avoid weaknesses.The matching of men's doubles and the stability of mutual cooperation require a lot of practical experience.Only when the technical and tactical levels are continuously improved,the comprehensive strength can be improved.