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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 Front crawl ： ウィキペディア英語版 Front crawl The front crawl or forward crawl, also known as the American crawl, is a swimming stroke usually regarded as the fastest of the four front primary strokes.〔(Maglischo, Ernest W. ''Swimming fastest'' p. 95 )〕 As such, the front crawl stroke is nearly universally used during a freestyle swimming competition, hence freestyle is used metonymically for the front crawl. It is one of two long axis strokes, the other one being the backstroke. Unlike the backstroke, the butterfly stroke, and the breaststroke, the front crawl is not regulated by the FINA. This style is sometimes referred to as the Australian crawl although this can sometimes refer to a more specific variant of front crawl. ==Ergonomics== The face-down swimming position allows for a good range of motion of the arm in the water, as compared to the ''backstroke'', where the hands cannot be moved easily along the back of the spine. The above-water recovery of the stroke reduces drag, compared to the underwater recovery of ''breaststroke''. The alternating arms also allows some rolling movement of the body for an easier recovery compared to, for example, butterfly. Finally, the alternating arm stroke makes for a relatively constant speed throughout the cycle.〔(Virtual Swim )〕 File:Freestyle swimming.gif File:Freestyle swimming2.gif 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「Front crawl」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.