| With the continuous development and change of the rules,the excellent female taekwondo athletes tended to improve their leg skills,and their boxing skills were greatly improved,and the utilization rate and scoring effect were greatly changed.By analyzing the outstanding female taekwondo athletes in the game,counter,counter attack score using the time characteristics of the situation and tactics of athletes under the overall competitive ability,for the athletes and coaches in daily training training plan to provide the reference value,in order to improve performance contribute little of their own power.Taking the application and characteristics of techniques and tactics of elite female athletes in the 2019 World Taekwondo Championship as the research object,this paper uses methods such as literature,video analysis,mathematical statistics and expert interview to study the characteristics of techniques and tactics,scoring technical characteristics,and the time characteristics of techniques and tactics application and other relevant factors.The elite female taekwondo athletes pay more attention to the active attack in the competition,and the allocation of techniques and tactics in the first match is conservative.Entering the second set,increased the use of offensive tactical continuity to achieve the goal of expanding the score.In the third game of the most intense confrontation,the frequency of attack and defense conversion tactics and the use of active attack head-hitting technology gradually increased.The research conclusions are as follows:(1)The main leg techniques used by the elite female taekwondo athletes in this World Championship are push kick,cross kick,high cross kick and down chop,etc.The cross kick and push kick have high utilization rate,small range of movement,strong destruction and stealth,which accounted for the main points in the competition.Due to the difficulty,long time and easy to be noticed by the other side,the high difficulty movement is seldom used and difficult to score in the competition.(2)There are differences in tactics used by elite female Taekwondo athletes in different semi-final and final matches.Attack tactics are the main ones,and counterattack tactics are the least used.The effective attack combination of leg and fist in the match can generate other fixed combinations of corresponding techniques.Able to use all kinds of combined techniques and tactics boldly at the right time or even with the opponent’s score to achieve better scoring results.(3)There are great differences in the time characteristics of the techniques and tactics used by the elite female taekwondo athletes in the semi-finals and the finals.The biggest difference was in the first game of the semi-finals,when the timeout was longer(887S),followed by 401S.The maximum number of conversions is 17 in the third game,and the minimum is 1 in the first game.This phenomenon affects the players’ use of offense and defense in the finals and semifinals.In the first to the third games of the semifinals,the number of offense and defense rounds increased and showed an increasing trend.(4)Elite female taekwondo athletes in different rounds of attack and defense fluctuate greatly,there is fluctuation phenomenon.Because of the intervention of suspension,the number of attack and defense in the actual effective game time increased,the utilization rate of technical movements increased,and the competition was intense. |