2, strenuous exercise immediately after meals has a great impact on the stomach. Because after meals, gastrointestinal activities and digestive gland secretion are strengthened, and digestive juice secretion is increased.
Don't eat a lot of cold food after meals and exercise. Eating a lot of cold food after a meal will first make the gastrointestinal blood vessels suddenly contract, which will suddenly reduce the blood supply to the gastrointestinal tract and hinder digestion.
4. At the end of exercise, people who have no control often eat cold food for a while because of their high body temperature and sweating a lot. Cause gastrointestinal function disorder due to stimulation, and cause diseases such as diarrhea and abdominal pain.
Extended data:
Precautions during exercise:
1. Don't eat for 50 minutes before and after exercise. You can add some water appropriately and keep the indoor temperature at about 20 degrees. Don't have strong winds blowing directly at fighters.
2. The indoor light is suitable, neither too bright nor too dark. To reduce the difficulty for the first time, the heart rate should be controlled at 60- 100 beats/min. If allowed, people with chronic physical diseases should be accompanied by private teachers or family members. Women with no exercise history and menstrual dysmenorrhea should not practice. It is best to take a bath after a 30-minute break, especially in summer, which is easy to get heatstroke.
3. With the increase of sweat, many trace elements in the body will be excluded from the body. The main ingredient of dessert is sugar, but it basically does not contain vitamin B, cellulose and other nutrients needed by the human body.
4. Girls like exercise and fasting exercise very much, and they like to eat dessert on an empty stomach before exercise, so they mistakenly think that they can provide the energy needed for fitness. In fact, this method is wrong and bad for your health.
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