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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Spearing (gridiron football) ： ウィキペディア英語版 Spearing (gridiron football) Spearing or spear tackling is a method of tackling in American and Canadian football in which a player uses their body as a spear (head out, arms by their side), whether it be in attack or defence. It is considered legal as long as players do not make initial contact with their head. Illegal use of a spear in gridiron results in either a 15-yard penalty if the offensive player commits the foul or an automatic first down if it is the defensive player. It is a common cause of catastrophic cervical spinal cord injuries, which result from axial loading. Recognition of such injuries resulted in rule changes in 1976, after which incidence of these injuries dropped significantly. For example, incidence of quadriplegia decreased from 2.24 and 10.66 per 100,000 participants in high school and college football in 1976, to 1.30 and 2.66 per 100,000 participants in 1977. ==References== 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「Spearing (gridiron football)」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.