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In gridiron football, an onside kick is a kickoff deliberately kicked short. In most kickoffs, the kicking team concedes possession of the ball and tries to kick it as far as possible from its own goal. In an onside kick, the kicking team kicks short in hopes of regaining possession of the ball before the receiving team can control it. The onside kick is a low-percentage play, generally justified only late in a game when the kicking team is trailing in the score. However, its chances of success increase when the returning team does not expect it. == Origin of the term and use in Canadian football== Gridiron football originates in rugby football, and so does the onside kick. In rugby, while the forward pass is prohibited, a team in possession may legally kick the ball downfield and recapture possession, provided that the receiver of the kick was onside when the kick was made (''i.e.'', abreast with or behind the kicker.) This form of onside kick is still legal in Canadian football, just as in rugby. A player of the kicking team (at any kick, not just a free kick) who is "onside" may recover the ball and retain possession for his team. This includes the kicker himself and anyone else behind the ball at the time it was kicked, other than the holder for a place kick. The form of onside kick available at a free kick in American football (see below) is also available in Canadian football for a kickoff as well, although it is referred to as a short-kick, as all players are onside for a kickoff; however, the kick may well be chipped high instead of bounced, because the players of the receiving team have no particular first right to the ball as in American football (due to the fair catch rule); both sides may play the ball equally, even in the air. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Onside kick」の詳細全文を読む スポンサード リンク
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