忌在强光下进行剧烈的体育锻炼。夏天12时至15时阳光中的红外线格外强,长时间照射容易损伤大脑神经,产生类似中暑症状。二忌锻炼后马上洗澡或吹电风扇。锻炼后全身各组织器官新陈代谢加强,皮肤中的毛细血管大量扩张以利余热散发。如果此时马上洗澡或吹电风扇,会使毛细血管收缩,不利余热散发,加之张开的汗腺孔也遇冷关闭,使人感到热不能耐,并易患伤 Avoid intense glare under intense physical exercise. The summer of 12 o’clock to 15 o’clock in the infrared particularly strong, prolonged exposure to easily damage the brain, resulting in symptoms similar to heat stroke. Second, avoid bathing immediately after exercise or blowing fans. After training, the metabolism of various tissues and organs of the whole body is strengthened, and a large number of capillaries in the skin are expanded to facilitate residual heat emission. If you take a bath or blow the fan at this time, will make the capillaries shrink, unfavorable residual heat distribution, combined with open sweat gland holes also cold closed, people feel hot can not be resistant and susceptible to injury