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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 Fencing response ： ウィキペディア英語版 Fencing response The fencing response is a peculiar position of the arms following a concussion. Immediately after moderate forces have been applied to the brainstem, the forearms are held flexed or extended (typically into the air) for a period lasting up to several seconds after the impact. The fencing response is often observed during athletic competition involving contact, such as American football, hockey, rugby and martial arts. It is used as an overt indicator of injury force magnitude and midbrain localization to aid in injury identification and classification for events including, but not limited to, on-field and/or bystander observations of sports-related head injuries. ==Relationship to fencing reflex and posturing== The fencing response designation arises from the similarity to the asymmetrical tonic neck reflex in infants. Like the reflex, a positive fencing response resembles the “en garde” position that initiates a fencing bout, with the extension of one arm and the flexion of the other. Tonic posturing (see abnormal posturing) preceding convulsion has been observed in sports injuries at the moment of impact〔McCrory PR, Berkovic SF. Video analysis of acute motor and convulsive manifestations in sport-related concussion. ''Neurology''. 2000;54(7):1488-91.〕〔McCrory PR, Bladin PF, Berkovic SF. Retrospective study of concussive convulsions in elite Australian rules and rugby league footballers; phenomenology, aetiology, and outcome. ''BMJ''. 1997;314(7075):171-4.〕 where extension and flexion of opposite arms occur despite body position or gravity. The fencing response emerges from the separation of tonic posturing from convulsion and refines the tonic posturing phase as an immediate forearm motor response to indicate injury force magnitude and location. 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「Fencing response」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.