| The 2019 world cup of men’s basketball was held in China from August 31 to September 15.As the host country,the Chinese team lost to Poland and Venezuela in group match under the condition of holding the advantage of drawing lots,but failed to get out of the group.In qualifying,because of the net score,they were not able to get through to the tickets of Tokyo Olympic Games,and finally only got the 24 th place.The flexible use of defensive tactics is the premise and guarantee for the team to obtain the initiative in the field.It is one of the necessary abilities for the world’s strong teams to select the defensive tactics in advance and adjust the defensive tactics in time to cope with the changing competition environment according to the attack characteristics of different opponents.In this paper,by sending out questionnaires to experts and consulting a large number of literature to clarify the research direction and indicators,using observation videos to record and integrate the data,and finally through the objective analysis of the data,the following research conclusions are drawn:(1)There are some differences between Chinese men’s basketball team and the top four teams in the types of defensive tactics.The main performance is: due to the reasons of individual defense ability,the overall use of regional joint defense tactics is more than the four teams.Secondly,due to the relationship of personnel allocation,the number of defenders of Chinese team is large,and the movement speed of external defense is excellent,so the use of half-time expansion of man to man tactics is higher than that of the top four teams.(2)Compared with the top four teams,Chinese men’s basketball team has some characteristics in the application of defensive tactics.The main performance is as follows: in terms of defense fast break and connection section,because the lineup of Chinese team is composed of more top defenders,fast retreat speed and high success rate,it is not inferior to the top four teams.In the stage of positional defense,the Chinese team moves rapidly in the inner line,and the times and success rate of supplementary defense and cooperative defense are higher.For the reasons of individual defense ability and defense habit,the Chinese team uses more times and the success rate is lower than the top four teams.(3)Compared with the top four teams,Chinese men’s basketball team has the following characteristics in defensive tactics.Due to the fast speed of defense retreat,the average score loss of Chinese team in defense fast break and connection section is lower than that of the top four teams,and the defense effect is good.In half-time,the tactics of man-to-man defense,regional joint defense and whole court man-to-man pressing were expanded.Compared with the top four teams,the utilization proportion of Chinese team was higher,but the average score lost was also higher.There was a certain gap between the defensive effect and the top four teams. |
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