After kicking the wall, the body glides in a streamlined way. When the speed slows down to the normal swimming speed, both hands begin to stroke their arms to both sides of their thighs for a short time. When the sliding speed is a little slower, the legs begin to retract and the hands extend forward close to the abdomen, chest and chin. When the arm straightens the sucker, they will kick and slide, and when the arm begins to stroke for the second time, the head will be above the water.
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Breaststroke can be divided into flat breaststroke and wave breaststroke according to the change of body position during body movement, commonly known as flat breaststroke and wave breaststroke. In competitive competitions, the wave frog is often used. The most obvious difference between the wave frog and the flat frog is that the wave frog will stand very high and use its high body position to dive forward, transforming the potential energy of body water into the kinetic energy of progress. Therefore, it is obviously superior to the flat frog in speed and sliding distance. ?
There are three main propulsion points for the speed of breaststroke: the forward thrust of the body brought by the arm stroke, the forward sliding of the body brought by the leg kick, and the downward diving of the upper body from the water surface, so we should pay attention to the forward and downward diving of the body.
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