| Wang Qiang is one of China’s best women’s singles tennis players since Li Na,currently ranked 12 th in the world(by the end of 2019).Research Wang Qiang performance during 2016-2019 and the tactics of competitive ranking ascension behind change characteristics and trends,explore the tactics of different stages in the process of athletics and the tactics for the important factors influencing the game victory,reveal women’s professional tennis competition tactics for the different stages of the process of the use of the features and its relationship with performance,as well as women’s professional tennis player for the future of sporting competitions and sports training provides referential basis and value of reference.By watching Wang Qiang important tennis tournament in nearly four years in 20 hard singles match video,using literature method,mathematical statistics method,video observation and other research methods,analyzes the characteristics of Wang Qiang’s technique and tactics in the three stages of serve,return and stalemate.The study reached the following conclusions:(1)In the service phase,Wang Qiang’s service ability improved and the service drop point was mainly concentrated in the inside corner and the outside corner.The scoring rate of inside and outside corners in zone 1 was higher than that in zone 1,and inside corners in zone 1 and inside corners in zone 1 were higher than that in zone 1.The scoring rate in the second zone is mainly concentrated in the inside and outside corners.The third stroke was dominated by forehand and backhand strokes,and the usage rate of forehand was significantly higher than that of backhand.The batting line transfers from straight line to diagonal line,and the ratio of diagonal line is higher than that of linear line.The hitting position is mainly in the middle of the court.(2)In the receiving stage,Wang Wiang’s scoring rate,scoring rate of one ball and scoring rate of two ball showed an overall upward trend,and her receiving and serving skills were more comprehensive and stable.The use of the forehand and backhand of the return serve is in a stable state.The overall trend of the second racquet line is mainly middle,backhand is auxiliary and forehand is the last line feature.The backstroke is mainly concentrated in the midfield area and is relatively shallow.In the fourth stroke,the effective hitting methods are mainly concentrated on the forehand and backhand,accounting for more than 95% of the shots.The utilization rate of diagonal line is always greater than that of straight line,and the utilization rate of straight line of forehand and backhand increases slightly.The overall situation of the backcourt area of the backcourt is on the rise.(3)In the stalemate phase Wang Qiang backhand position use rate has increased.In the stalemate stage,the utilization rate of the forehand is the highest.From the perspective of the forehand alone,the utilization rate of the backhand is slightly higher than that of the forehand.The annual average of the stability of forehand and backhand is about 80%.From the horizontal view of the site,the utilization rate of the upper left zone is mainly,the right zone is the lowest;Scoring rate on the left zone,the least in the middle.From the longitudinal point of view of the field,the usage rate,the return ball drop point is mainly concentrated in the middle and back court,scoring rate is mainly in the back court,the front court is the smallest. |
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