1, freestyle: usually swimming in the crawl position, which is a swimming position in which the arms alternate and the legs alternate for six strokes.

Crawling is a swimming posture with reasonable structure, small resistance, uniform speed, fast speed, the least effort and the fastest speed, so it is often used in competitions.

2. Breaststroke: It is a swimming posture that imitates frog swimming. The human body is prone on the water, with its arms flexed under the symmetrical straight arms on its chest, and its legs flexed and stretched symmetrically to catch water, just like a frog swimming. In breaststroke, swimmers can easily observe whether there are obstacles ahead and avoid hitting them. Breaststroke is labor-saving, durable and of great practical value.

3. Butterfly stroke: Butterfly stroke technology evolved from breaststroke technology. In butterfly stroke, the body is prone in the water, and the body is pushed forward by the powerful stroke of the arm and the wave stroke of the leg.

4, backstroke: also known as backstroke, is a swimming posture in which the human body lies on its back in the water. During swimming, the head comes out of the water and it is convenient to breathe; Lying on the water is more labor-saving.

Generally speaking, there are four most common swimming styles: freestyle, breaststroke, butterfly and backstroke.

Let's talk about these four movements in detail and use the dynamic diagram to decompose the posture, hoping to help everyone.

breaststroke

Breaststroke is the most common stroke, just like frog swimming. Action essentials: first paddle with your hands, and then kick with your arms open. When paddling with your hands, don't move your legs, retract your hands first, and then slide for a period of time (about 1~2 seconds). Coordinated action: Put your hands forward, palms outward, and tilt about 45.

With the little finger up, breathe (inhale) when you paddle your hands outward, hold your breath when you paddle inward, and kick and exhale when your hands reach over your head.

Key points: 1, arm: first, stroke outward relative to the water holding posture, then stretch downward and inward and keep the original posture. 2, two legs: close your legs, turn your feet, kick the water, and then slide.

Kicking is like a frog swimming in the water. Breathing: when the arm is pulled up hard, raise your head and inhale, pull your legs with your hands and hold your breath in the water. Put your hands above your head and kick them out at the same time. 4. Rhythm: When the arms are straight, the kicking action has been completed.

Freestyle:

Paddle by arm and kick by leg to generate driving force. The main points are as follows: 1. Keep your body straight and your legs just above the water. 2. After the body enters the water, the hands, elbows and arms should stretch forward and hold the water, and the arms should be pulled inward. After the shot, the arm should be relaxed, move forward in the air, continue the next action, and cycle.

3. Put your legs together, bend your knees slightly, and draw water down. (stirring water) 4. Breathe when your head turns to the left and your right shoulder leaves the water. 5, the approximate rhythm: the left and right legs draw water six times, each arm draws water once, and breathes once.

butterfly stroke

Butterfly swimming, as its name implies, flies and swims like a butterfly. Key points: the shoulders are flush with the water, the head enters the water before the arm, and the head is lower when looking up. After entering the water, hold the water outward along the curve, then paddle down to catch the water, separate your hands to shoulder width, and bend your elbows to paddle. Kicking points: at first, the legs are together and the heels are out of the water.

Bend your feet and pull the water down. Overall rhythm: paddling once with both hands and fetching water twice with both legs. Look at the last two pictures of backstroke11. Key points of posture: 1, just like lying on the water, with ears just in the water, hips just in the water, face up and feet just out of the water. 2. Put your arms into the water, hold the water backwards and paddle down.

3. Legs close together and take turns to draw water up and down, and knees bend out of the water. The general rhythm is to keep your head steady, don't swing from side to side, stroke each arm, stroke each leg six times, and breathe each leg.