| Purpose: As the world’s first sport,the uncertainty and appreciation of the results of the game and the athlete’s overall physical ability have added a lot of influence and enthusiasm to the football project.The ability of a player to run in a game is one of the indispensable factors in the composition of individual athletic ability.Through the analysis of the running data of 12 games in the preparatory stage of Shaanxi U20men’s football preliminaries,from the vertical,comparing the with running distance changes of different stages of of different stages of different stages of different stages of Shaanxi U20 men’s football,the running distance changes at different stages and different positions.The run distance changes at the speed level;horizontally,the gap between the Shaanxi U20 men’s soccer team and players at different levels is found.Method:This article uses literature research methods,expert interviews,experimental methods,mathematical statistics and other research methods,and participates in the 10 main athletes participating in the Shaanxi U20 men’s soccer team,and it will be three in the calendar from December 12,2016 to March 6,2017.The 12 games in the month were monitored and the monitoring equipment used GPSport motion monitoring system.The main indicators for monitoring are: running distance at different stages in different stages,running distances at different speed levels in different stages,running distances at different speed levels in different locations,and running distances of players at different levels.result:(1)The average running distance within 15 minutes in the first 6 games of the Shaanxi U20 men’s soccer team has been decreasing,especially in the second half76-90 minutes;Shaanxi U20 men’s 15 minutes in the last 6 games The running distance is kept within a certain distance(1850 meters).(2)Shaanxi U20 men’s football team’s key indicators of sprint distance and high-speed distance in the last six games are greater than the previous six games,with an increase of 0.65% and 0.32% respectively;Shaanxi U20 men’s football is the last 6games.The three indicators of fast running distance,medium-speed running distance,and low-speed running distance decreased slightly,and the decreasing ranges were0.01%,0.15%,and 0.03% respectively.(3)The sprinting distance of the forwards in the game is the first,and the field average is 372.62±76.43 meters.The players in the front-back are running at a high speed and running at a low speed,averaging 410.33±67.83 meters and2004.58±200.91 meters;the middle forward team The distance between speed running and low-speed running was the first,and the average was 1372.54±232.69 meters and 953.83±124.86 meters.There was no significant difference between the players in each position of jogging and jogging in the following levels.(4)Shaanxi U20 men’s football team has higher total running distance,sprint distance,and high-speed running distance than domestic outstanding young men’s soccer team.The average running distance and sprint distance are higher than the Chinese men’s soccer team.The average distance between the high-intensity running distance and the sprint distance is higher than that of the Super League team.There is a big gap between the high-intensity and medium-intensity running distances and the World Cup players.in conclusion:(1)The running ability and high intensity running ability of the Shaanxi U20men’s team within 90 minutes have been improved,showing the increase in the average running distance in the second stage within 90 minutes;the sprint distance and speed in the second stage at different speed levels.Running distance increased.(2)The running distances of Shaanxi U20 men’s soccer sprinters at different speed grades show their positional characteristics.The forwards sprint and run away from the first place,while the players at the backs are running at a high speed and running at a low speed.(3)Compared with the domestic players,the Shaanxi U20 men’s football team is at a higher level in the sprint distance.Compared with the top teams in the World Cup,the Shaanxi U20 men’s team has a large gap between high-intensity and medium-intensity running distance. |
