Advantages: You don't need too many formal skills to do it.
Disadvantages: very tiring, that is to say, you can't stay in the water for a long time in this way.
2 Scissors-style water treading labor-saving index: The so-called shallow water treading of two stars means that when you kick your legs back and forth, your arms are open and balanced. When treading water in this way, you should pay attention to the toe down, and at the same time kick one leg forward and the other leg backward to form a continuous back and forth swing.
Advantages: Your arms are liberated and you can do other things while treading water.
Disadvantages: Because only floating on the water with your legs will be very laborious.
3 breaststroke labor-saving index: When four stars are doing breaststroke kicking, you should keep your thighs still, lift your feet to both sides, and then put them down. This method is also called narrow kick. At the beginning, the legs are close together vertically, then the calves are spread to the sides of the body, and then the initial movements are quickly restored, which is the main point of the breaststroke.
Advantages: compared with dog planing and shallow water paddling, frog style is not so tired.
Disadvantages: this kind of kicking will make you float up and down in the water, and you can't float on the water relatively still.
4 cyclotron treading water labor-saving index: five-star method is also called eggbeater method, which requires you to draw a circle clockwise with one foot and counterclockwise with the other foot when you are in the water. This method is difficult to master, but it can greatly save physical strength.
Advantages: If you can master this method completely, you can save a lot of physical strength.
Disadvantages: it is quite difficult to master this method completely, and a lot of practice is needed in the learning process.