Analysis Of Technical Application Characteristics Of Chinese Elite Wheelchair Curlers

The technical statistics of the competition videos of the 2021 Wheelchair Curling World Championships are aimed at analyzing the technical application characteristics of the Chinese elite wheelchair curling teams,and exploring the winning rules of wheelchair curling events,in order to provide training and competition practices for wheelchair curling events in my country.Provide some theoretical reference.Using the method of literature materials,expert interviews,on-the-spot investigation,technical analysis and mathematical statistics.In the early stage of the study,the literature on wheelchair curling at home and abroad was consulted,and expert interviews were conducted on issues related to the application of wheelchair curling technology.In the middle of the study,the technical and tactical training of wheelchair curling players was observed and recorded on site,and the video of the 2021 World Wheelchair Curling Championships was collected using Curl Coach software.Finally,a descriptive statistical analysis was carried out on various technical application indicators of Chinese elite wheelchair curlers.The number of takes out in the winning game by the Chinese team was higher than the number of draws（take out: 360 times,draw: 306 times）,and the negative side was the opposite（take out: 306 times,draw: 365 times）.The specific types of curls for the winner and loser are as follows: coming around（win: 259 times,loss: 210 times）,take＆roll（win: 52 times,loss: 37 times）,clearing（win: 80 times,loss: 19 times）,take out promotion（win: 14 times,lose: 10 times）,throughing（win: 15 times,lose: 2 times）,front（win: 39 times,lose:136 times）,freeze（win: 8 times,lose: 19 times）and take＆stay（wins: 176 times,losses: 212times）.The first base curling types of the Chinese team mainly include take＆stay（35 times,17.33%）,coming around（117 times,57.92%）,front（30 times,14.85%）,and throughing（13times,6.44%）;The second curling types of bases mainly include coming around（56 times,27.72%）,take＆stay（50 times,24.75%）,clearing（41 times,20.30%）,and take＆roll（24 times,11.88%）;The third curling types of bases mainly include coming around（59 times,30.41%）,take＆stay（57 times,29.38%）,clearing（35 times,18.04%）,take＆roll（17 times,8.76%）;The skip curling type mainly includes coming around（70 times,36.27%）,take＆stay（68 times,35.23%）,take＆roll（23 times,11.92%）,clearing（10 times,5.18%）,take out promotion（9times,4.66%）,double take out（7 times,3.63%）.When without the hammer,the Chinese team made 223 draws and 203 takes out.With the hammer,the draw is 141 times,and the take out is 206;when without the hammer,the type and number of curls for each base are: 90 times draws for first,17 takes out;52 times draws for second,takes out 55;43 draws on third,63 takes out,38 draws on skip,68 takes out.With the hammer,first still has more draws than takes out（draw: 58,take out: 24）.Other bases take out significantly more than draws.In the round-robin competition of the 2021 World Wheelchair Curling Championships,the team with an average success rate of over 59% can enter the knockout round;Countries with an average team success rate of over 57% in the knockout round can enter the next stage of the competition.The Chinese team ranked third in the round robin,the team’s average success rate was 66%;ranked second in the knockout round,the team’s average success rate was 69%.The team’s average success rate in the semifinals was 67%;The team’s average success rate in the final was 57%.When the Chinese team wins,the number of take out is more than the accuracy of the draw,and the key technology is used more times and the hitting effect is good;when the Chinese team loses,the key technology is used less frequently and the success rate of the shot is low.The first base undertakes the task of opening the layout,and its main techniques are come around,front,hit＆stay and through;The skip undertakes the task of decision-making and scoring,and its main techniques are come around,hit＆stay and hit＆roll.The number of applications of the Chinese team’s accurate drawing technique is slightly higher than that of the taking out technique without hammer,which has the effect of restraining the opponent’s score and its own stealing;The number of applications of the taking out technique with hammer is significantly higher than that of the drawing technique.The opponent was restrained from stealing points and successfully controlled the points.Except for the lower success rate in the final game,China has a higher success rate in the rest of the series.In addition,the success rate can only be used as a reference.To win the game,the skip needs to throw a key draw at the critical moment and maintain a high success rate.