Swimming sports

The swimming sports falls among water sports. The goal of a competition to determine which swimming is the fastest swimmer. There are a number of regulations on the swimming competitions. The basic rule separates the way in which the athlete gained momentum in the water in four different styles:
Crawl (read is cráu) - official competitions in the mode crawl there, is named "Nado Freedom," (freestyle) this type of arrangement can be competida with any swim. How is the style crawl potentially faster, swam the generally choose; Costas Chest Butterfly (or dolphin); Medley-the four styles of swimming in sequence. Each of these styles has specifications on the placement of the athlete's chest and the movement of legs and arms. In style crawl, for example, the athlete is the position with the chest back to the bottom of the pool in a horizontal position on the water level, the arms come out of the water in a position parallel to the body, being thrown forward over the water, alternately (while one is thrown forward, the other arm around back by low water), the legs move themselves up and down also alternately. In swim butterfly, the athlete is also to the chest back to the bottom of the pool, but plays both arms simultaneously forward and produces a movement also synchronized with the legs, up and down. In the swim of the athlete is back to the chest turned up, and back towards the bottom of the pool. The pool of official competitions measured 50 meters in length. Must contain 8 rays, each of 2.5 meters wide, with an additional area of 20 cm at least part of the external rays. The depth should be equal to or greater than 1.35 meters. The water should be at a temperature between 25 ° C and 28 ° C in competitions. The swimming sports started to become popular from the nineteenth century, and currently there are various sporting events, involving evidence of swimming. The international swimming competitions are organized and governed by FINA (Federeção International Swimming). There are competitions in enclosed waters, which are the evidence disputed in the pool (of 25 or 50m), or the evidence shorter, as the evidence of 50m, 100m, 200m, etc., and evidence in open waters, which are the evidence longer, as the evidence of 2500m, 5000m and 10000m.