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In gymnastics, the floor refers to a specially prepared exercise surface, which is considered an apparatus. It is used by both male and female gymnasts. The event in gymnastics performed on floor is called floor exercise. The English abbreviation for the event in gymnastics scoring is FX. A spring floor is used in most competitive gymnastics to provide bounce. Spring floors are also used sometimes in cheerleading. The spring floor used for indoor athletics however, is designed to reduce bounce. == The apparatus == The apparatus originated as a 'free exercise' for men, very similar to the floor exercise of today.〔(【引用サイトリンク】url=http://www.fig-gymnastics.com/vsite/vcontent/page/custom/0,8510,5187-188434-205656-44680-282887-custom-item,00.html )〕 It wasn't until 1948 that women were allowed to compete on the floor.〔 Most competitive gymnastics floors are spring floors. They contain springs and/or a rubber foam and plywood combination which make the floor bouncy, soften the impact of landings and enable the gymnast to gain height when tumbling. Floors have clearly designated perimeters—the "out of bounds" area is always indicated by a border of white tape or a differently colored mat.〔〔 The allowed time for a floor exercise is up to 70 seconds for males and up to 90 seconds for females. Unlike men, women always perform routines to music.〔 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「Floor (gymnastics)」の詳細全文を読む スポンサード リンク
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