国产热热热精品,亚洲视频久久】日韩,三级婷婷在线久久,99人妻精品视频,精品九热人人肉肉在线,AV东京热一区二区,91po在线视频观看,久久激情宗合,青青草黄色手机视频

A FINA standard eight-lane 50m pool is required for competition at the Paralympic Games. Events are conducted as heats for eight competitors per class and with the fastest eight swimmers per class competing in the finals. There are various forms for swimmers to start their race; in the water, a dive start sitting on the starting platform or the typical standing start.

During a Swimming event, swimmers who are blind are required to have an assistant to help him/her as he or she approaches the swimming pool end wall, either to make a turn or for the finish of the race. This process is called tapping and performed by a "tapper". These swimmers are also required to wear blackened goggles in all their events.

(Credit: IPC. Click here for further information.)