Analysis Of Nadal's Technical And Tactical Characteristics In Different Tennis Fields

With the development of the tennis movement and the rapid improvement of the global economic level and the popularization of the national fitness exercise,tennis sports gradually become popular from high-end sports so that more people who like sports know,pay attention to and participate in this sport.At present,domestic and foreign scholars have carried out various researches on the relationship between Nadal and other excellent players in the world from different aspects.But there are many factors that affect the victory of a game,among which the influence of different types of field factors on the competition of Nadal has always been a vacancy in the field of technical and tactical tennis research.Therefore,this paper uses the methods of documentation,video observation,mathematical statistics and comparative approach to represent the three major events in the four grand slam of the tennis--the French Open,the Wimbledon Open and the US Open as the representatives of different types of sites.The latest data analyzed was used to find the relations between these technical data and what tactics were used by Nadal in single competitions occurred in those three different types of field.Through the research and analysis,the following conclusions were drawn:There are significant differences in elasticity and friction coefficient after tennis' s landing: tennis speed: grassland > plastic > laterite;bouncing:laterite > plastic > grassland;rotation: laterite > plastic > grassland;Among the three different types of field,Nadal won the highest proportion of lateritic fields in the 2017 season;In the lateritic field,the selection and rotation of serve drop point is the most,the rate of bottom line forehand scoring is the highest,and the rate of receiving serve is the highest.Nadal mainly adopted the holding tactics and the anti-defensive tactics in the lateritic field,the scoring rate increases with the increase in the number of holding rounds;The total scoring rate of the lateritic field is the highest,the rate of non-forcedfailure is the least.The number of the grass field matches was the least,and the winning was none.With the netting tactics and pre-net tactics,the rate of serving score is highest;The ratio of winning points and non-forced errors is the highest.The number of hard-field matches is the most,the stability of hard-field is the highest;The rate of bottom line backhand scoring is the highest.In the bottom-line tactics of the grass and hard ground,the fast-paced score of beats under nine is more efficient.It is suggested that professional athletes should arrange adaptive training for different types of venues before participating in the competition,especially in the warm-up competition of the corresponding venue types before major events.Different types of field should adopt different receiving techniques and tactics to ensure the success rate of receiving and serving,and improve the offensive ability of receiving serve at the same time.Athletes should make corresponding technical and tactical training according to different types of venues in order to improve the competition needs of different types of fields.Referring to the research and analysis of Nadal's technical and tactical characteristics in different types of fields,athletes need to strengthen specific exercises in addition to their own characteristics and the characteristics of different types of fields.And they should enhance the physical reserve and improve the quality of will and improve the technology so that they have high competitive power in different types of fields.