Pay attention to swimming skin changes from cold to warm

What are the precautions for swimming
Phase II: after staying in the water for a certain time, the blood flow on the body surface expands, the skin turns pale to light red, and the skin turns warm from cold. Phase III: if you stay too long, your body temperature will continue to increase, and goose bumps and chills will appear on your skin. This is a taboo period for summer travel. You should get out of the water in time. The duration of swimming should not exceed
What should I pay attention to when swimming
(4) After intense swimming, you should relax in the water, adjust your breathing, and then go out of the water. However, in case of dizziness, nausea, chills or cramps during swimming, water shall be discharged in time. (5) After swimming, it is best to take a shower or dry your body in time, and pay attention to wearing clothes to keep warm. Suffering from serious heart diseaseWhat are the precautions for swimming
Precautions for swimming include avoiding swimming on an empty stomach, swimming after strenuous exercise, and swimming alone. Avoid swimming on an empty stomach. In the process of fasting swimming, accidents may be caused due to lack of physical strength, while over full swimming will affect digestion, and may cause stomach spasm, even vomiting and other symptoms. Avoid swimming after strenuous exerciseWhat should we pay attention to when swimming
Swimming precautions: you must swim under the guidance of your parents (guardians). Swimming alone is most likely to cause problems. If your partner is not a parent (adult), it is difficult to ensure proper assistance in case of danger. Do not go swimming if you are sick. Otitis media, heart diseaseWhat should we pay attention to when swimming
Swimming is a water sport. Regular swimming is good for exercise. However, fire and water are merciless. Unfortunately, drowning accidents often occur during swimming. The most important thing in swimming is safety. We must not take it lightly. Generally, we should pay attention to the following problems when participating in swimming: 1 Swimmers should have necessary physical examinationWhat safety issues should be paid attention to when swimming
Pay attention to the water temperature when swimming; Swimming time should not be too long; Do not swim immediately after physical labor; The reasons are as follows: when swimming outdoors, although the body will not feel hot after soaking in the water for a long time, the head is exposed to the sun for several hours on the water surface, and its temperature can sometimes rise to more than 39 ℃Swimming precautions
10、 Avoid swimming in patients with hypertension: especially intractable hypertension, which is difficult to control with drugs. Swimming has the potential risk of inducing stroke, and should be absolutely avoided. Ten taboos against swimming for patients with heart disease: for patients with congenital heart disease, serious coronary heart disease, rheumatic valve disease, more serious arrhythmia, etc., they should "stay away from swimming". XIIPrecautions for swimming
The precautions for swimming are: avoid swimming after strenuous exercise. Some people will want to run and sweat all over, just swim and rush to the body, so they won't feel bad. In fact, it's not. Remember not to swim immediately after strenuous exercise, which will increase the burden on the heart. Avoid long-time exposure swimming long-time exposure will produce sunburnWhat should I pay attention to when I go swimming
According to personal experience, it is recommended not to go swimming without eating. Swimming is a very energy consuming exercise. Only when you are full can you have the strength to play