| The defense is the key to winning the match, did not appear when the fast break scoring opportunities, as not to miss, attackers will further expand results, the defenders retreat actively prevent, convergence section attack tactical coordination,. In this paper, using the method of literature, video observation, statistics, logic analysis, on the thirtieth session of the Olympic Games men’s basketball defensive cohesion period study, draws the following conclusion:(1) convergence offensive launched the main origins are seizing market rebounds, steals the ball, block shots and grab the hair baseline ball, launched a joint period offense,defense is mostly passive and unfavorable situation, in this case, to be proactive defense,forced to slow down opponents attack speed, strive for defensive back anti time, fall into the position of the situation.(2) a strong individual defensive ability is complete convergence section defensiveassurance, defense in a passive position, the number of participants is not fixed, require athletes to do personal defense at the same time, coordination defense team, doideological unity, unity of action.(3) update ideas, grasp the law of. Convergence section defense training teaching, we should start from the athletes improve defensive awareness, focus on individual basketballdefense technique and physical quality training, especially athlete team play defense training. In the training of cohesive defensive paragraph time and success rate to makeclear strict requirements. |