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1. Enter the water. Bend your elbows slightly, slightly above your forearm, palm down, palms at a horizontal angle of about 45° to enter the water, and then drive the forearm and upper arm into the water in turn.
2. Hold water. After entering the water, the arm is externally rotated, the palm gradually turns backwards, and the direction of movement of the hand gradually changes to outward, then backward, and then downward.
3. Paddle. After completing the water holding, while the forearm is externally rotated, gradually increase the movement of the arm bending, slowly stroke the arms to the lower shoulder to eliminate the collision square (the standard action requires the large and small arms at this time to form just 90°), and then continue to stroke down to the lower abdomen, at this time the hands are almost together.
4. Push water. After completing the stroke, the direction of movement of the hands gradually turns outward, then backwards, and then upwards, and the palms gradually turn from outward to backwards and above the side of the object, and in the back, it is an outward arc pushing action.
5. Drainage. Before the end of pushing the water, the elbows have begun to be lifted up, the palms are outward and backward, due to the inertia of pushing the water, the ants naturally raise the elbows out of the water.
6. moving the arm. After completing the water, the elbow joint is slightly bent, the arms are rotated inward, the palms are driven by the forearms to the water, the palms are upward, and the arms must be moved with a little force, using inertia, the arms are naturally swinging forward, and the speed must be fast, otherwise the body will sink down, increasing the water resistance, and affecting the forward sliding speed.
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I have the same problem as you. It's all beginners, but I've learned that the main reason for this problem is because of the lack of arm strength. In addition, the butterfly body does not actually rely on the power of the soles of the feet to hit the water in the water, but the main thing is that the body can cause forward thrust when it is consistent with the rhythm of the current.
You try to swim forward without using your arms, just by twisting your body. The legs in the water are not actually circled, but keep moving forward in a wavy shape with the body, and the legs should be driven by the body and then naturally exert force, rather than swinging from side to side like freestyle, and the butterfly stroke is the key to making the body wave. The main force is the forearm strength and upper body traction, when the arm enters the water, it is parallel to the water, and then opens the water, runs the water to the bottom of the body, and draws a gourd shape in the water, and the arm is close to the shortest distance when the arm is under the body, forming a forward thrust, and then the arms are out of the water.
Forearm strength is too important, and if you don't have enough strength, you can't jump out of the water, which is called as if your body is hitting the water vertically. There is also butterfly stroke, unlike breaststroke and freestyle, the neck of butterfly swimming is actually not moving, the muscles behind the neck are always tense, the neck, chest and shoulders form a fixed triangle, when the water is ventilated, the whole body actually jumps out of the water, and if you can't hold it, you can't break the waves, and the body can't get out, and you can't breathe.
Let's practice slowly, I also slowly comprehended it myself, no one taught. Hope it helps.
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It should be pretty much the same in every way.