It is unthinkable when the epidemic is serious now. When measures are taken, everyone is basically shut at home and temporarily not allowed to go out for outdoor activities. At home, it is really impossible to face electronic products for a long time. You can do some exercise at home to increase your immunity. What are the suitable indoor sports? Next, let's take a look. First, indoor exercise Walk back and forth indoors for a few minutes to make the whole body circulate. Next, lift your legs for one minute, lift your knees to your waist, and then turn around for one minute. Keep your feet shoulder-width apart, and turn your upper body back and forth from left to right. Don't do too much to avoid spraining your lumbar muscles. Hands rested on her hips, feet shoulder-width, eyes straight up, knees slowly squatting, heels off the ground, center of gravity on tiptoes, squatting at the same time, saying "ha" in her mouth and spitting out the turbid gas in her stomach; Breathe in when you stand up and imagine yourself breathing fresh air into your abdomen. Second, sit-ups Sit-ups are a way to develop trunk muscle strength and extensibility, which can exercise abdominal muscles well. Doing knees and sit-ups can exercise the groin, which has many capillaries and acupoints. Doing sit-ups to stimulate blood vessels can promote the fusion of abdominal blood, thus treating and relieving gynecological diseases. Sit-ups exercise patients' abdominal muscles, so that the exerciser can better control his body. The strength of abdominal muscles has a good supporting effect on his back, so that the exerciser has strong physical strength in other aerobic sports and recreational activities. Doing sit-ups can also stretch the muscles, ligaments and spine of the back and regulate the central nervous system. And sit-ups can also lose weight, and you need to do more than 150 every time to burn fat. Third, the best indoor exercise time. Indoor exercise does not need to be combined with the change of weather to control the exercise time like outdoor exercise. Generally speaking, it is more appropriate to exercise about 2 hours after meals, because the digestion of rice begins after about 1 hour in the body, and the digestion process is basically completed after two hours. Doing exercise at this time will not cause a burden on the stomach.