Running or exercising after meals sometimes causes abdominal pain, which may be caused by the following reasons:
1. After a meal, the stomach is full of food, and the gastrointestinal tract is shaken during exercise, so that the mesentery connecting the gastrointestinal tract is pulled, causing abdominal pain.
2. During exercise, the distribution of blood shifts from digestive tract to skeletal muscle, leading to gastrointestinal smooth muscle spasm and abdominal pain.
3. The whole body oxygen demand increases during exercise, and people who lack exercise at ordinary times have small vital capacity. At this time, trying to breathe is easy to breathe shallow and fast. This reduces the negative pressure in the chest cavity, which leads to the obstruction of blood return to the liver, which leads to liver congestion and increased tension of the liver capsule, causing liver pain, which is manifested as pain in the right upper abdomen.
4. Other gastrointestinal diseases, including appendicitis, only occur during exercise after meals. In the first three cases, abdominal pain will be relieved soon after exercise stops. The fourth case is organic disease, the pain lasts longer than the first three, and most of them will get worse gradually. For this kind of abdominal pain, you should go to the hospital for treatment in time. It is advisable to rest after meals. Generally, run or do other sports after 1 ~ 2 hours.