In all events the swimmer must touch the wall, but in the freestyle and the backstroke, the swimmer may somersault as he or she reaches the wall, touching only with the feet.

• 所有的比赛都要求游泳运动员接触池壁，但自由泳和仰泳，男女游泳运动员在到达池壁时可以通过翻跟头只用脚来触壁。