Choose sweat-absorbing clothing Summer sports must choose to wear sweat-absorbent cotton shirts, should not wear tight sportswear, such as sweat can not be discharged in time, will affect heart health. In addition, a set of dry clothes should be prepared and replaced in time after exercise, otherwise it will cause rheumatism or arthritis. Avoid high-humidity sports Keep a low level of exercise and a short time during the summer to allow the body to adapt to heat. It is important to avoid outdoor exercise between noon and 2 pm, when the sun is strong. The strong UV rays can cause skin burns and irritation to the eyes. 　 Reasonable intake of food Eat this staple food or fruit one hour before exercise. This is to prevent the calorie intake being too low, resulting in poor physical strength. Add water in advance Summer sports lose moisture in the body. It is recommended to drink 800 ml of water half an hour before exercise. If you are outdoors for a long time, you should set a bottle of water, preferably with salt. Drinking water can not be excessive Drinking lots of water after exercise will burden the blood and digestive system and become more fatigued. In addition, drinking more water will also lead to faster loss of salt, which can easily cause spasms and cramps. It is recommended to use a small amount of drinking method. Sun protection In summer, the coastline is crossed or climbed. The sunshine is quite strong. Be sure to pay attention to sun protection. In general, the team departed in the morning and arrived at the departure point almost noon. The team did not move forward. It was already at noon. At this time, the temperature is highest and the sun is hot. The ultraviolet rays in the sun are particularly strong. When the skin is exposed to the hot sun for a long time, it can cause 1 to 2 degrees of burns and heat stroke. Ultraviolet light can also penetrate the skin, bones, radiation to the meninges and retinas, causing damage to the brain and eyeballs. Fever (heat failure, heat stroke) In summer, when you participate in outdoor sports, because of the high temperature and the large amount of exercise, more heat is accumulated in the body than in the body. If you do not pay attention to prevention, it is very prone to fever. The heat is mildly exhausted, and severely, it is hot stroke (also It is heat stroke). Eat plenty of cold drinks It is a pleasure to enjoy outdoor drinks in the summer when you have iced drinks. However, you can't eat lots of cold drinks right after the event or after the event. Cold drinks not only reduce the temperature of the stomach, but also dilute the gastric juice, so that the physiological function of the stomach is damaged, ranging from indigestion, diarrhea, etc., to severe acute gastritis.
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