Solar Term Health: Is it true that beginning of autumn can't swim?

Swimming is not only to cool off the heat, but also to exercise, which is the favorite sport of many people in hot summer. As summer draws to a close, even quietly recedes, fewer and fewer people swim. There is also a folk saying that beginning of autumn can't swim. Is it true?/You don't say. Let's analyze it together.

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People have different views on whether beginning of autumn can swim. People who think it is possible suggest that swimming for a long time can enhance the body's immunity. In autumn, as the weather turns cold, the water temperature gradually cools down. When swimming, due to the stimulation of cold water on the surface of human skin, skin blood vessels contract sharply, and a large amount of blood is squeezed into internal organs and deep tissues. After a strong contraction, blood vessels must be expanded accordingly, so that blood vessels can be exercised and the human body can adapt to this alternating change of cold and heat more quickly.

The argument that beginning of autumn can't swim is that after beginning of autumn, the temperature difference between day and night began to increase, and the temperature difference between the surface temperature and the deep temperature in natural waters also increased. If you go swimming in natural waters, if the cold water from the lower layer comes up, the human body will be suddenly stimulated by cold water, and it is easy to get sick and cramp.

Opinions vary, so can beginning of autumn swim? Medical experts point out that as long as the exerciser is healthy and has no symptoms such as cold, cough and chills, he can still swim. Just note that the weather after beginning of autumn is different from that in summer, and the water in the open-air swimming pool is cooler than before. If their body temperature can't adapt, they are prone to cramps and colds, but swimming in cold water is not impossible. Instead, they should choose indoor swimming places.

As the temperature drops, the best time to swim is when the temperature is high at noon every day, and you should also pay attention to keeping warm after going out. In addition, the swimming time can't be as short as that in summer, which is mainly determined by the individual's physical condition, the temperature and water temperature of the day.

Matters needing attention in autumn swimming

1, properly exercise the whole body before going into the water, and don't overdo it;

2, conditional should swim in the water when the sun comes out;

3. Don't exercise alone in the water;

4. Don't go swimming when you are unwell (including a cold and fever);

5. Don't eat for an hour before and after exercise, and drink a little water;

6. After landing, quickly dry the water on your body;

7. When it is cold, do more activities after swimming, such as jogging.