Evolve by breaststroke and butterfly stroke comes, because its move,brachial movements resembles volant the butterfly that flutter and get a name. In the development process of breaststroke, the divide evenly to raise You Jin fast sex, some athletes imitate the way that dolphin swims, raised natant rate thereby. 1952, international swims the match project that couplet decides to label butterfly stroke independence, when providing butterfly stroke competition, can use breaststroke pedal leg, also allow to use dolphin type to call a leg. From now on, dolphin swim the arena that entered athletics to swim.
What develop in butterfly stroke technology is inchoate, wang Jiang of our country athlete establishs Ceng Gen to occupy the characteristic of oneself, had created " phreatic water cowfish swim " and " phreatic water backstroke " technology, in international swim the sensation on altar temporarily. And in present match, the dive of butterfly stroke and backstroke is in 15 meters by limitation inside
The body pose with special 1.
Dolphin swim the body pose that did not secure, it is a center with the waist, trunk and leg do the fluctuation wave that has rhythm to swing. The head and humeral ministry are relatively stable, it is inspiratory only when the head just carries a surface, then submerge.
Beautiful wave hits 2. water
