Summer is the peak season of swimming. In summer, swimming is not only limited in swimming pool, but also in sea, river and some outdoor baths. According to statistics, drowning accidents of primary and secondary school students often happen during summer vacation, so how to save yourself if you are unlucky to drown in summer?
Information of blackboard report for preventing drowning
1、 Swimming safety points
1. Don't be too hungry or full in the water. Only one hour after dinner can you go into the water to avoid cramps;
2. Try the water temperature before launching. If the water is too cold, do not launch;
3. If you are swimming in the river, river, lake or sea, you must be accompanied by a companion and cannot swim alone;
4. Observe the environment of the swimming place before launching. If there is a danger warning, you can't swim here;
5. Don't swim in the canyon with unclear geographical environment. The water depth in these places is different, and it is cold. There may be obstacles in the water that hurt people, which is very unsafe;
6. Before diving, make sure that the water depth is at least 3 meters and there are no weeds, rocks or other obstacles under the water. It is safer to enter water with feet first;
7. When swimming in the sea, swim along the parallel direction of the coastline. Those with poor swimming skills or physical strength should not wade to the depth. Make a mark on the coast, pay attention to whether you are rushed too far, adjust the direction in time, and ensure safety.
2、 How to prevent leg cramp in swimming
Be sure to warm up before swimming.
Before swimming, you should consider your physical condition. If you are too full, hungry or tired, don't swim.
Before swimming, hold some water on your limbs, and then jump into the water. Don't jump into the water at once.
When swimming, such as chest pain, you can press your chest, wait until it's a little better, and then go ashore,
When abdominal pain, should go ashore, had better drink some hot beverage or hot soup, in order to keep the body warm.
3、 Self rescue strategy for swimming and drowning in summer
How to ensure the health and safety of swimming and avoid the occurrence of drowning? If you are not familiar with the water and go into the water rashly, your life will be very dangerous. In case of an unfortunate drowning incident, experts said that the drowner should not panic, keep calm and actively help himself:
(1) For those with hand and foot cramps, if the fingers are cramped, you can hold the fist, then open it vigorously, and do it repeatedly several times quickly until the cramps are eliminated;
(2) If the leg or toe is cramped, first take a breath and lean on the water, hold the toe of the cramped limb with the opposite hand of the cramped limb, and pull hard towards the body direction, at the same time, press the palm of the same side on the knee of the cramped limb to help the leg straighten;
(3) If the thigh cramps, you can also use the method of stretching the cramped muscles.
As for the drowning person, in addition to self-help, land rescue should also be carried out actively:
(1) If there are mud, weeds and vomitus in the mouth and nose of the drowning person, they should be removed first to keep the upper respiratory tract unobstructed;
(2) If the drowning person has drunk a lot of water, the rescuer can kneel on one leg, bend on the other leg, put the belly of the drowning person on the knee bending thigh, hold the head of the drowning person with one hand, put his mouth down, and press the other hand on the back to drain the water;
(3) If the drowning person is comatose, breathing is weak or stops breathing, artificial respiration shall be carried out after the above treatment. It can make the drowning person lie on his back. The rescuer holds the nose of the drowning person with one hand and his jaw with the other hand, takes a breath, and then blows the breath into the mouth of the drowning person with his mouth. After blowing a breath, leave the mouth of the drowning person, release the hand pinching the nose at the same time, and press the chest of the drowning person with the hand to help him exhale. Repeat it regularly, about 14-20 times a minute, at the beginning, it can be slightly slow, and then it can be properly accelerated.