仰泳比赛中,干净利落的转身,不仅使运动员能在速度上超过对手,而且从心理上也给对手造成压力,从而赢得比赛。但是,仰泳转身相对于其它几种泳姿的转身来说,难度大,运动员不易把握。1991年,游泳竞赛新规则允许仰泳运动员转身时手可不触壁,规则的这一改变使仰泳运动员能够更早更快地完成转身动作,而由于仰泳转身姿势的特殊性,使运动员不易判断自身与池壁间的距离,导致转身失败,造成犯规。据资料显示,大型游泳比赛中运动员仰泳转身犯规次数,要占犯 Backstroke competition, clean neat turn around, not only to the athletes in speed over the opponent, but also psychologically opponents also put pressure to win the game. However, backstroke turns relative to the other several swimming position, difficult, athletes can not easily grasp. In 1991, the new rules of swimming competition allowed the backstroke athletes to turn their hands when they did not touch the wall. This change of rules enabled the backstroke athletes to complete the turnaround earlier and faster. Due to the particularity of backstroke gestures, athletes can not easily judge themselves The distance between the walls led to the failure to turn around, causing foul. According to statistics, swimmers in large swimming backstroke turn foul count, to take prisoners