推荐回答(1个)
基本规则
比分
和所有团队竞技比赛一样,得分多的球队获得橄榄球比赛的胜利。最传统的得分方式有两种:达阵(Touch Down)和射门(Field Goal)。
进攻方带球一直攻到对方端线,称为达阵(Touch Down),获得6分。如果未能攻到端线,但是离端线已经很近,则可以选择射门(Field Goal)。射手将球踢入球门之中,可以获得3分。
达阵之后,进攻方得到的奖励是,在离对方端线2码处再进攻最后一次。绝大多数情况下,攻方会选择射门以得到1分;特殊情况下,会尝试再次达阵以得到2分。如果成功,本次进攻的总得分将是7或8分;如果尝试失败,就只能得到最初的6分。
还有一种特殊的得分方式是安全(Safety)。防守方将进攻方拦截在进攻方的端线内,则防守方得到2分。
一场橄榄球比赛的得分一般在0-60分之间,而以10-30较为常见。
比赛规则
比赛时,进攻方上场11名进攻队员;而防守方上场11名防守队员。进攻方必须在4次进攻后前进10码以上。每完成10码,则重新开始一轮4次进攻。如果在4次进攻后,进攻方不能有效的前进10码以上,攻防转换。原防守方从原进攻方4次进攻后死球所在的位置开始反攻。当然,原防守方换上11名进攻队员,而原进攻方换上11名防守队员。
比赛分为两个半场共4节,每节15分钟。与NBA不同的是,每半场的两节之间除了交换场地,球的状态保持不变。所以,只有上下半场的最后阶段才有必要控制时间。
重要战术:
球队编成
每只NFL球队均有40多名球员,分担场上10多个完全不同的位置。他们大体上被分配在3个队伍中:进攻队,防守队和特工队。当一方进攻时,该队只有进攻队在场上;其对手则只有防守队。进攻队的成员包括组织进攻的四分卫,冲锋进攻的跑卫,接四分卫传球进攻的外接手和保护四分卫的阵卫等。防守队中则有压迫攻方四分卫的阵卫,阻挡冲锋进攻的线卫,防守传球进攻的角卫和最后补防的安全卫等。而特工队由负责射门的射手,发球手,回球跑手等组成。两点补充是,绝大部分球员都只能司职场上的一个位置;各位置的职责可以根据战术需要有所改变。
与次相对应的是,每只球队都有一只庞大的教练队伍。主教练之下有防守主教练,进攻主教练和特攻队主教练。这三人又各有一个庞大的助理教练群,比如,四分卫教练,跑卫教练,射手教练等。
时间控制
一只橄榄球队要取得成功,一定要善于控制时间。
橄榄球比赛有它特殊的记时方法。简单的说,球员持球倒在场内,不停表;持球跑出界外或者传球失败,停表。所以,持球者可以通过选择留在场内或者跑出场外来控制时间。
赛事有美国国家橄榄球大联盟、世界杯和 7人制等等
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