每当成人可以游蝶泳配合游时,最开始经常向旁边的泳友询问的就是:“我刚才游蝶泳时,屁股出水了吗?”因为在每个初练蝶泳的泳者心目中,蝶泳就是像可爱灵活的海豚一样,随着身体波浪移动,臀部会有规律地时隐时现地出现在水面上,尤其会关注低头移臂入水后的那一次打腿(第一次打腿),自己的臀部有没有出水。当然了,这里讨论的都是建立在正确的身体波浪发力传导基础上的臀部出水。而不正确的发力,就算臀 Whenever an adult swims with a butterfly, he often asks the swimmer next to him: “Did I swim out when I was swimming in a butterfly?” Just like a cute and flexible dolphin, as the body moves in waves, the buttocks will appear on the surface of the water in a regular way, with particular attention to the first leg opening after the head has been moved into the water There is no water on my buttocks. Of course, the discussion here is based on the correct body wave power transmission based on the hip water. But not the correct force, even if the buttocks