How long after a meal can you run and do aerobics?

Most healthy ordinary people can engage in moderate-intensity jogging-type aerobic exercise 1 to 2 hours after a meal. The less and lighter the meal, the shorter the interval required. If you have just eaten a table full of fat and meat, and drank a lot of carbonated drinks, you must wait at least 3 hours before running.

This question has been debated in the running circle for almost ten years, but there is no absolutely unified standard answer. Both sides of the statement are supported by real examples: some people say that running immediately after a meal will cause gastroptosis and appendicitis, while others say that as long as you are not feeling uncomfortable, it is perfectly fine to exercise after eating. I was walking around with a running group last week. I saw Lao Zhou in the team eating half of a vegetable salad and drinking a glass of iced Americano. After sitting there for 20 minutes, he set off with the main group. The pace of the 5 kilometers was stable at 6 minutes, and there was not even a hiccup in the whole process. ； But last month there was a young man in the group who had just joined the race. He drank two bottles of iced Coke after eating butter hotpot, and went for a night run 40 minutes later. After just two kilometers, he was so painful that he squatted on the side of the road in a cold sweat. He was sent to the emergency room for acute gastric spasm. It took him almost a week to get back on the track.

In fact, to put it bluntly, the stomach after eating is like a soft leather bag with half a bag of water. If you shake it as soon as it is full, it will not only pull the ligaments that fix the stomach, but the blood originally used to digest food will also be diverted to the leg muscles. If the digestion cannot keep up, it will naturally lead to acid reflux, shortness of breath, and painful gasping. Those who say it’s okay to run immediately after eating basically have long-term exercise foundations, their stomach tolerance is higher than ordinary people, and they eat mostly light food that is easy to digest, so the burden on the stomach is small. As for the rumor that "running after meals can cause appendicitis" actually has no scientific basis. It takes at least six or seven hours for food to travel from the stomach to the appendix. The food you just ate cannot reach there at all. Most pain is caused by stomach or intestinal spasms.

Oh, by the way, you don’t have to wait for 1 hour or 2 hours. After you finish eating, stand up and walk slowly for two rounds to eliminate the food. There will be no heavy feeling in your stomach when you touch it, and there will be no undigested food rising up when you burp. It’s basically no problem to start running at this time. If you have chronic gastritis or gastroptosis, just wait an extra half hour to an hour. If you feel uncomfortable while running, don’t push it. Walk slowly and take a break. Next time, just adjust the interval by yourself. Your own body feeling is much more reliable than any general standard.