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300 people in Lanzhou swim the Yellow River in winter. What should I pay attention to in winter swimming?
? The 32nd New Year's Day Yellow River Winter Swimming Show in Lanzhou was held on 200211.More than 300 winter swimmers from Lanzhou and surrounding provinces and cities participated in this winter swimming activity. Since 1989, Lanzhou City has organized the Yellow River Winter Swimming Performance every New Year's Day, and has rescued more than 200 drowning people in the Yellow River, spreading positive social energy with courageous actions, which has been well received by the society. Winter swimming can enhance cardiovascular function, improve metabolism and accelerate blood circulation, which is good for the body.

However, winter swimming is actually more dangerous. Winter swimming has the following precautions:

1. Severe hypertension \ coronary heart disease \ cerebrovascular disease \ nephropathy \ liver disease \ mental disorder, diabetes, allergic constitution, trauma or inflammation, alcoholics, etc. It is best not to do winter swimming, otherwise it will lead to sudden illness or harm to the body.

2. In order to ensure safety, trained ambulance personnel and rescue tools should be provided, including swimming rings, wooden poles and ropes.

Don't drink alcohol before and after winter swimming, which will easily increase the burden on the heart, catch cold and be dangerous.

4. Women can't swim during their menstrual period in winter.

5. Appropriate dress: It is best to wear a silicone swimming cap to protect your head, rubber gloves to protect your hands, and tennis shoes to prevent frostbite.

6. Be sure to warm up and exercise your body organs before you start, otherwise you will be prone to cramps, dizziness and rapid heartbeat.

7. Get out of the water as soon as possible, put on your coat and get dressed to keep warm. Stay in the water for too long, lose too much heat, and you will tremble after coming out of the water. You should keep warm first and then drink hot water. Drink hot water slowly, not violently.

8. The most taboo of winter swimming is that the digestive system of the stomach runs slowly and the blood flow is slow after meals. At this time, swimming is easy to cause water pressure to oppress the stomach, leading to poor limb movement and heavy feeling. If you are not careful, you will have difficulty breathing and leg cramps. Consequences

If you want to swim in winter, you must do your homework in advance and put safety and health first.