Six things to note about scientific fitness

    1. Strong wind is not good for fitness

　　It is best not to exercise in strong winds in winter. The biting cold wind can make people even colder. When people are exposed to the cold wind, their basal metabolic rate will increase by 10% to 20%. Increase the amount of exercise, and the heat produced is mainly used to keep out the cold, making it difficult to achieve fitness effects.

　　Plus, workout in the cold exercise , due to the stiffness of the muscles in each joint and uncoordinated movements, it is easy to cause injuries and is also contrary to the principles of fitness and entertainment.

　　2.cold Not exercising

　　When people suffer from a cold, they feel tired and fatigued. If they have a fever, it will increase their physical exertion. Metabolism increases during physical exercise, which is not only detrimental to cold recovery, but also prolongs or aggravates the course of the disease. In addition, when a person has a cold, the immune system is in a state of stress. Exercise will accelerate the stress on the muscles, aggravate the fatigue of the immune system and reduce the resistance of the muscles.

　　3. Exercise to avoid smog

　　In winter, Yang Qi is shut down, especially after snow and rain, and there is more fog and haze. When fog and haze are severe, they will cause damage to the respiratory mucosa and reduce its barrier and defensive functions. Pathogenic microorganisms such as bacteria and viruses will take advantage of the situation and cause pulmonary disease . In foggy weather, it is best to stay at home or do some indoor exercise.