Safety knowledge of swimming in water

The hot summer has just begun, so many people will choose swimming to cool down. Then I will bring you the safety knowledge of swimming and launching for you to learn more, hoping to help you.

Safety knowledge of swimming. Common sense of swimming safety 1. Be prepared before swimming in case of injury.

Don't go swimming if you are ill.

3. After taking part in strong physical labor or strenuous exercise, you can't jump into the water to swim immediately, especially when sweating or fever, otherwise it will easily cause cramps and colds.

4. It is forbidden to swim in places such as rivers, lakes and seas other than legally operated swimming pools, and carefully swim in places with high accident rates such as Haikou Holiday Beach.

5. Polluted rivers, reservoirs, places with rapids, places where two rivers meet, and rivers and lakes with large gaps are not suitable for swimming. Swimming is prohibited in Baishamen Beach, Xixiu Beach, Nandujiang and Moon Bay in Wenchang. 6. Bad weather such as thunderstorm, strong wind and sudden change of weather is not suitable for swimming.

7. If you find a swimming accident, you should immediately call the police for help and take action. Call the emergency number quickly, or stop to the hospital.

Second, drowning prevention? Six. No? Exercise 1. Do not swim in the water without permission;

2. Don't swim with others without authorization;

3. Don't swim without parents or teachers;

4. Swimming in waters without safety facilities and rescuers;

5 .. Don't swim in unfamiliar waters;

6. Students who are not familiar with water are not allowed to go into the water for rescue.

Third, Xia Yongliu should not 1. Don't go swimming in the non-swimming area.

Don't swim after drinking.

Don't swim in too cold water.

4. Heart disease. Patients with hypertension should not swim.

Don't swim when you are too full or hungry.

6. Beginners should not use floating tools to swim in deep water.

Fourth, the common sense of first aid (1) drowning self-help methods

1. Don't panic, find someone around you and call for help immediately;

2. Relax your whole body, let your body float on the water, head out of the water, kick the water with your feet to prevent physical loss and wait for rescue;

3. When your body sinks, you can press your palm down;

4. When the water suddenly cramps and you can't go ashore, call for help immediately. If there is no one around, you can take a deep breath and dive into the water, straighten your cramped legs and pull your toes up with your hands to relieve cramps.

(2) How to help drowning people? 1. Don't jump into the water to save people, but use things around you skillfully to save people. Throw lifebuoys, planks and other floating objects into the water, so that the drowning person can catch these devices to avoid sinking or give them to the drowning person to pull them out of danger.

2. Take off your shoes and throw away the heavy objects in your pocket when you go into the water for rescue. If the drowning person is not unconscious, the rescuer should especially avoid being caught and hugged by him. You should go around the back of the drowning person or dive for rescue. Hold the drowning man's armpit or chin from his back or side, make him breathe and drag him ashore.

3. clear the airway and swim. After rescuing the drowning person, quickly remove the sludge and weeds from his mouth and nose to keep his respiratory tract unobstructed.

4. Drainage. Put the belly of the drowning person on the thigh of the rescuer's bent knee, head down, press the back, and force the water in the respiratory tract and stomach to pour out. The pouring time should not be too long, because most of the water in the lungs has been absorbed, and there is not much residue.

5. Cardiopulmonary resuscitation. Patients with respiratory and cardiac arrest should be given artificial respiration and chest compressions immediately. After emergency treatment, they were sent to the hospital for later treatment.

Further reading: the five most important and best body postures in swimming. In all physical exercises, swimming has a unique position, lying down instead of standing. This is an unsupported position. The buoyancy of water depends on the human body, making it prone on the water. This physical state is conducive to the improvement of myocardial pulsation intensity and the smooth blood return. Coupled with the resistance of water during exercise, repeated and even exercise can make the heartbeat burden not overload and be in the state of maximum oxygen uptake, which is very helpful to improve the endurance function of human body. So swimming is the best and most effective aerobic training.

Second, in the most comprehensive whole-body swimming practice, all parts of the body will be fully and moderately exercised. If swimmers master freestyle and breaststroke, they can hone their whole bones, joints, muscles, ligaments and nerves. Because of the pressure of water on the body during swimming, people's breathing deepens, thus greatly improving their respiratory function and vital capacity. Because of the friction between water and human body during swimming, repeated stimulation of cold and heat improves human microcirculation and strengthens immune system. Swimming improves your cold resistance and disease prevention ability.

Third, the most bodybuilding posture The movements of any physical exercise program have certain limitations. Unbalanced movements up and down, left and right lead to overload in some parts and insufficient in some parts, so there are many sports injuries. All movements in swimming are symmetrical, even, balanced and non-invasive. When swimming, whip kick and arc kick are used to cut the legs up and down, which makes the legs even and slender and greatly improves the flexibility of joints. In addition, due to a large number of upper limb movements and alternating rolling strokes of shoulders, back and chest during swimming, the upper limb muscles are plump, round and elastic, the swimmer's posture is the most beautiful, and the quality and efficiency of muscles are the highest. Swimming gives you a good shoulder swimming with the necessary safety knowledge.

Fourth, the most effective physical therapy Almost all doctors will advise you to take part in swimming exercises in addition to the necessary prescriptions after diagnosing patients. This is because swimming can obviously treat, recover and prevent cardiovascular and cerebrovascular diseases, hypertension, hyperlipidemia, arthritis, diabetes and obesity, as well as cervical and lumbar diseases. These are indisputable facts, and more and more studies are further encouraging people to use swimming to improve their health and create a better modern lifestyle for themselves.

5. The most comfortable means to decompress and adjust the heart is the most real. Going back to nature means swimming in clear water. People's composition is 70% water, and people come from water, and they have an inevitable affection and fate for water. The reason why I can't swim is that I don't go into the water and stay out of it for too long. When people are nervous, irritable and stressed, they jump into mild water, and their grievances will disappear. Wandering in the glittering and translucent swimming pool, such as taking a hot bath or sauna, is like being completely transformed and healthy, which is called enjoyment. This is classic, this is fashion. Swimming gives you a good mood and a good state. Friends who are qualified to swim will regret it for life if they don't!

First, swimming safety should pay attention to safety when swimming, and be careful when playing near water. When staying on the beach or sand, observe the surrounding conditions. Some beaches are solid at first glance, but in fact there are cracks under them or the bottom is empty. If people move too much on it, there will be sand collapse and people will be buried below. When playing at the seaside, you should pay attention to the law of high tide and low tide, and leave the seaside quickly when the tide rises to avoid being swept away by the tide.

(1) Do warm-up activities before swimming. You can also water your limbs with a small amount of cold water, so that your body can adapt to the water temperature as soon as possible and prevent cramps. You can't swim after being hungry, full and overworked.

(2) When you encounter aquatic plants while swimming, you should immediately stop paddling and quickly leave the aquatic plants in a backstroke position. If you have been entangled, lie on your back on the water, paddling with one hand and sorting out the swimming safety knowledge of aquatic plants with the other. Don't shake your hands and kick your legs, it will make the grass tighter and tighter. When swimming in the whirlpool, you should inhale and dive, swim outward from the bottom of the water, and then surface after leaving the whirlpool.

(3) Sudden cramp while swimming. If you are near the shore, you should go ashore immediately and massage the cramp area; If you are far from the shore, you should immediately float on your back, massage or pull the cramp. When the cramp is not too serious, you should immediately paddle with the cramped limbs and go ashore as soon as possible. If there are other people nearby, you should shout for help.

(4) Never swim in the river during the flood season.

Second, the swimming accident treatment drowning first aid knowledge

(1) How to save yourself When drowning is in danger, you can save yourself by the following simple methods. First, relax, take a deep breath, then relax, droop to the underwater limbs, and let the head and back neck emerge from the water until you feel the need to breathe. Secondly, when you want to breathe, slowly lift your arms to shoulder height, at the same time lift one leg to navel height, and bend the other leg upward as much as possible, so as to save energy and prevent your body from sinking. Third, raise your head and breathe, at the same time push your feet down with your hands, push them down, and call for help when you breathe. Fourth, after inhaling, you can resume your starting posture and repeat it, keeping your body from sinking until you are rescued. When you fall into the water or have a cramp in your leg during swimming, you should immediately take a supine position, with your head leaning back, your nose and mouth above the water, inhale shallowly and exhale deeply, so that your lungs can retain excess air to increase buoyancy, float on the water and swim to the shore by backstroke.

(2) How to rescue the drowning person Rescuers should take off their coats as much as possible before launching. After launching, he should approach the rescue from behind the drowning person, or throw down floating objects such as lifebuoys and wooden boards for rescue. If the drowning person has lost consciousness after being rescued, he should be rescued as soon as possible. When rescuing, first tilt your head to one side, pry open your mouth immediately, remove the sediment and dirt in your mouth and nose, pull your tongue out of your mouth, and keep your respiratory tract unobstructed.

Second, the rescuer takes a semi-kneeling posture, so that the drowning person lies on his stomach, and his abdomen crosses his knees and gently presses his back; Or take a standing posture; Hold the abdomen of the drowning person with both hands and drain the water in his stomach and trachea; Or put your abdomen on the shoulder of the emergency person and run quickly to pour out the accumulated water (don't neglect artificial respiration and chest compressions because it takes too long to pour water).

If his breathing and heartbeat stop, chest compressions and artificial respiration should be performed in time, and acupoints such as Renzhong and Xuan Shi should be pressed or stimulated at the same time. If the rescue has no effect, please ask the medical staff to carry out specific rescue in time. After automatic breathing is restored, you can move and massage your limbs (centripetal massage) to promote blood circulation, and you can also feed some hot tea, ginger juice and hot wine.

(3) How to prevent drowning Generally speaking, don't learn to swim alone in unknown waters without knowing about water. Get ready for exercise before going into the water to avoid cramps caused by cold water stimulation. You shouldn't go into the water when you are tired or hungry. People with coronary heart disease or other serious diseases should not act alone to prevent drowning and death. It is not advisable to hyperventilate before swimming, so as not to exhale a lot of carbon dioxide gas, which will reduce the carbon dioxide content in the body and cannot stimulate the respiratory center to breathe, thus unconsciously falling into a coma in the water.

(4) How to prevent lower limb cramps when swimming. Be sure to warm up before swimming.

Consider your physical condition before swimming. Don't swim if you are too full, too hungry or too tired.

Before swimming, splash some water on your limbs and then jump into the water. Don't jump into the water at once.

If you have chest pain while swimming, you can press your chest hard and wait until you get better before going ashore.

When you have abdominal pain, you should go ashore. You'd better drink some hot drinks or soup to keep warm.

The above is an introduction to the encyclopedia of swimming safety knowledge. I would like to remind you that people suffering from heart disease, tuberculosis, infectious hepatitis, pink eye, hypertension, suppurative dermatosis, scabies, otitis media, dizziness, girls' holiday, high fever and other diseases are advised not to swim for the time being, and not to swim until they are healthy and approved by doctors.

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