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1997年NBA总决赛第一场和第四场比赛在终场前十几秒时,出现过两次相同的情况,都是由爵士队的卡尔·马龙获得罚球的机会。在第一场比赛中,马龙两次罚球都未中,反被公牛队获得篮板球,由乔丹一球定音,爵士队以两分之差告负。而在第四场比赛中,马龙两罚皆中,使爵士队比分领先至3分,为该场球的胜利奠定了基础。由此可见,罚球在比赛中的重要性。再综现我国的青少年比赛,许多场次的罚球命中率只有30％～40％,很多依靠罚球即能赢得比赛的胜机均丧失。特别是到比赛的关键之时,时间接近尾声,比分相持不下时,罚球队员往往由于心理紧张而出现肌肉僵硬、动作变形等现象。因此,除技
In 1997 NBA Finals first and fourth games in the final ten seconds before the whistle, there have been two times the same situation, both by the Jazz Karl Malone get free throws. In the first game, Malone missed two free throws, the Bulls rebounds, Jordan fixed the ball, the Jazz to a one-point difference. In the fourth game, Malone hit two free throws, so that the Jazz lead to 3 points, the victory of the game laid the foundation. Thus, the importance of free throws in the game. Re-enactment of our youth games, many games free throw percentage was only 30% to 40%, many rely on free throws to win the game winning machines are lost. Especially to the key to the game, the time is coming to a close, the score stalemate, the free throw team members often due to psychological stress and muscle stiffness, deformation and other phenomena. Therefore, in addition to technology