| With the rapid development of basketball in today’s world,the Olympic Games,as the world’s top basketball competition,represents the highest level of competitive basketball.The overall transition of attack and defense is fast,and the intensity of confrontation is high.Its exquisite skills and tactics are worth studying and learning for all countries in the world.In high-intensity games,the compression close defense makes it difficult for the attacking side to easily receive the ball,which also strengthens the connection between players without the ball.With the help of teammates to cooperate with each other to find opportunities to receive the ball,no-ball screen cooperation plays an increasingly prominent tactical role in the team’s attack.This paper takes the characteristics of no-ball screen cooperation in the eighth round of men’s basketball competition of the 32 nd Olympic Games as the research object,and adopts the method of literature,expert interview,video observation,mathematical statistics and logical analysis.Through the in-depth analysis of the number,time,area,personnel position composition,effect and application of classic cases of no-ball screen cooperation in the top eight matches,it is expected to provide practical theoretical basis for the improvement of no-ball screen training in domestic basketball level.The results are as follows:(1)The world’s top teams frequently use no-ball screens to run their attacking systems,especially in the man-to-man stage of positional attack;Use off-ball screen cooperation to create more off-ball attacking opportunities,improve the team’s overall offensive efficiency.(2)The conversion speed of attack and defense of each team in the top eight matches is very fast.The cooperation of no-ball screen is mainly concentrated in 0-10 and 11-15 seconds in the first period,and the number of no-ball screen shows a decreasing trend with the increase of time.On the one hand,take advantage of the opponent’s retreating speed and defensive attention holes in the attack.On the other hand,the efficient use of offensive time,for tactical coordination of the extension of plenty of time.(3)No-ball screen is mainly used in the middle and high areas and restricted areas in the final eight matches;Opening up space through off-ball screens reduces the pressure on subsequent plays in the two zones,while the perimeter defensive containment creates conditions for off-ball screens in both zones.(4)In the top eight matches,the mainstream position composition of no-ball screen matching personnel is guard and center,guard and forward,and it is also changing to the three.It mainly presents the combination of post attack by interior players and shooting by outside players,and the overall tendency is to attack the outside three-point long shot.The goal is to create an advantage for the player in the ideal position to make the best attack.(5)From the effect of no-ball screen in the final eight matches,the effectiveness of no-ball screen is very high;The main effect is to delay the defender’s defense,and the second is to get away from the defender and gain space with no profit for either side.It shows that it is difficult to obtain direct open space through simple no-ball screen in high-intensity games.It is the main strategy to delay the defender’s defense by continuously using every no-ball screen.It is the focus of training and competition to strengthen the malleability and diversification of offensive tactics. |
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