Do not exercise for too long
Each exercise time should be limited to 30 minutes, if you need a long time of exercise, you need to have a rest every 20 minutes, and drink some salt water.
Do not exercise in strong sunlight
The ultraviolet light of the summer sun is particularly strong, long-term exposure to human skin can occur 1 to 2 degrees burns. In addition, UV can also radiate the meninges, retina through the skin, bones and the brain and eyes may be damaged. Therefore, we should choose the time when the sunshine is weaker to do the exercise or choose a place where there is a shadow.
Do not carry out high-intensity exercise in a small air-conditioned room
People in the exercise, the body temperature rise, metabolic speed, open pores, body surface sweating, if not in the air and cold air conditioning environment, cold and heat, easy to sick.
Do not drink plenty of water immediately after exercise
Summer exercise sweating more, if immediately after exercise a lot of water, will give the blood circulation system, digestive system, especially the heart to increase the burden. At the same time, a lot of drinking water will increase sweating, the salt will be further lost, causing cramps, cramps and other symptoms.
Do not rinse with cold water immediately after exercise
After exercise, many people like to use cold water face, shampoo or even shower. In the summer exercise, the skin a large number of expansion of capillaries, in order to facilitate the body heat. At this time to give a sudden cold stimulation, will make the body has been open pores suddenly closed, resulting in internal organs dysfunction, brain temperature disorders and other conditions.
Do not eat cold drinks after exercise
Physical exercise can make a lot of blood flock to the muscles and body surface, while the digestive system is in a relatively anemic state. A large number of cold drinks not only reduce the temperature of the stomach but also dilute the gastric juice, ranging from indigestion can cause, while the lead will lead to acute gastritis.