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SW 5 FREESTYLE
SW 5.1 Freestyle means that in an event so designated the swimmer may swim any style, except that in individual medley or medley relay events, freestyle means any style other than backstroke, breaststroke or butterfly.
SW 5.2 Some part of the swimmer must touch the wall upon completion of each length and at the finish.
SW 5.3 Some part of the swimmer must break the surface of the water throughout the race, except it shall be permissible for the swimmer to be completely submerged during the turn and for a distance of not more than 15 metres after the start and each turn. By that point, the head must have broken the surface.
관련자료 : 국제수영연맹 FINA, Federation Internationale De Natation. 홈페이지에서 퍼옴.
http://www.fina.org/H2O/index.php?option=com_content&view=article&id=282:sw-5-freestyle&catid=82:swimming-rules&Itemid=184
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