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What is the challenge of basketball?
Basketball challenge means that NBA coaches have the opportunity to challenge every game. Challenges mainly focus on personal fouls, out of bounds and ball interference. If the head coach disagrees with the referee's decision, he can raise an objection.

Basketball Challenge is an opportunity for NBA coaches to challenge every game. Among them, the challenge of personal foul can only happen in the last two minutes of the game. If the ball is out of bounds, the basket interferes and interferes with the ball, you can't challenge it in the last two minutes of the game.

When the coach wants to challenge, he needs to signal the referee to turn his index finger to challenge, and the referee needs to reassess the penalty. Before using challenge permissions, you need to make sure that your team has a chance to pause. If the challenge is successful, the judgment will change, and the challenge opportunity of this game will remain.

Basketball introduction

Basketball is a ball game played by two teams on a rectangular basketball court. Five players in each team can pass, throw, shoot, roll or dribble in any direction, in order to throw the basketball into the opponent's basket and prevent the opponent from controlling the ball or scoring.

Basketball originated in Massachusetts, USA and was created by Naismith. It is the core event of the Olympic Games. From 65438 to 0896, basketball was introduced to China. At the Berlin Olympic Games, basketball was listed as an official event.