There are rules to follow in learning freestyle, and there are also rules to follow in learning and training. Modern improved swimming techniques mainly focus on increasing strength and reducing resistance. The faster humans travel, the greater the resistance of water. After understanding the relationship between strength and resistance, you should understand that it is necessary to swim fast and save effort, and the key point is to master the skills of freestyle and tighten the core.
The purpose of practicing this technique is to keep the body streamlined in the water and reduce the resistance by swinging. In addition, provide power, try to keep your legs and feet in a line and keep your body rotating on the central axis. The depth and width of kicking are also particular.
The above is the requirements of kicking skills. It's hard to master skills and achieve standards. Starting from the hips, drive the knees and ankles to achieve streamlined continuous kicking. In order to maintain a good streamline, the waist and buttocks as a whole push the body to rotate rhythmically. The strength of the waist and hips controls the kicking of the legs, which makes the body rotate, reduces the resistance and allows the body to move. This is the purpose of kicking.
Why do you have to practice kicking in freestyle swimming? Because the training premise of practicing some basic freestyle techniques is to have good kicking skills, for example, the most important basic freestyle techniques: body posture, balance and streamline should be based on good kicking skills! The quality of kicking technique determines the streamline of the body, thus affecting the balance of the body. You need to cooperate with the whole body to exert the overall strength of the body on the premise of reducing resistance.
If you can't control your legs well, you can't control your body well. Legs are an important part of your body. Therefore, if you want to swim freestyle well, you must practice kicking well!
In short, kicking can effectively establish rhythm, and speed is secondary. The key is to make your legs move in the most natural and effective way and avoid unnecessary exercise. Effective and rhythmic kicking can make your physical exercise more powerful and save energy.