| China Men’s basketball professional league（CBA）is a cross annual home and away Basketball League hosted by China Basketball Association,Novel corona virus pneumonia in recent two years,The competition takes place in the form of a competition system.As two powerful teams in CBA League,Guangdong team and Liaoning team fought all the way to the end in the two seasons of CBA League2019-2021.They met on the stage of the finals for two consecutive years.Finally,Guangdong team defeated Liaoning team by a big score of 2-1,so as to win the championship.CBA League is a top professional basketball tournament in China and even in Asia.It represents the highest competitive level of men’s basketball in China.It also has the important task of selecting talents for China’s men’s basketball national team.The embodiment of the attack and defense ability of the top team also has a certain reference value for the attack and defense techniques and tactics of the national team.Using the research methods of literature,video observation,mathematical statistics,comparative analysis and logical analysis,this paper takes the attack and defense ability of Guangdong team and Liaoning team in the CBA finals of2019-2021 season as the research object,and makes a comparative analysis from three aspects: attack ability,defense ability and other influencing factors.The research conclusions are as follows:1.In terms of scoring ability and offensive rebounding,Guangdong team is stronger than Liaoning team,and Guangdong team occupies an active position most of the time in the game;In terms of scoring efficiency and assists,the gap between Guangdong team and Liaoning team is narrower than that in previous years,and the gap between the two teams is not large;In terms of mistakes,the mistakes of the two teams have increased compared with previous years,but Guangdong team has better control and has a stronger ability to convert each other’s mistakes into scores.2.In terms of defensive rebounds,Guangdong team and Liaoning team have improved compared with previous years,and Guangdong team has done better in the protection of defensive rebounds;In terms of steals,Guangdong team relies more on the overall defense to complete the steals,while Liaoning team relies more on excellent personal ability to complete the steals.The gap between the two teams is small,but Guangdong team has more advantages;In blocking,the ability of Guangdong team is more outstanding than that of Liaoning team;In terms of fouls,Guangdong team and Liaoning team have increased compared with previous years,but Guangdong team has done better in controlling fouls.3.Both Guangdong team and Liaoning team prefer tall players in terms of athlete selection.In terms of team age structure,both teams are very reasonable and close.In terms of weight and Quetelet index,the gap between Guangdong team and Liaoning team gradually narrowed,but the physical confrontation of Guangdong team still prevailed in the game;The influence of off-site factors and referees on Guangdong team and Liaoning team is almost the same;In terms of coaches,the coaches of Guangdong team have more experience and adapt to the situation than those of Liaoning team in competition command;In terms of team style,the team basketball advocated and practiced by Guangdong team is more in line with the development trend of modern basketball;In terms of foreign aid,the foreign aid of Guangdong team is more suitable for its team system than that of Liaoning team,but the ball rights of both teams are occupied by foreign aid too much at the critical moment of the game. |
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