Different people have different requirements for running kilometers. Young people can run more, people who lose weight can run more, but old people should run less, and people with physical diseases should run less!
Data expansion:
Running is defined as land animals moving with their feet. It is defined as a step in sports, and both feet will not land at the same time. It can also be aerobic exercise or anaerobic exercise.
The best time for running is from 9 am to 10, and from 4 pm to 6 pm. The former has fresh air and the level of adrenocortical hormone in the body reaches the peak. According to the biological clock, the body's adaptability and physical mobilization are at their best from 4 o'clock to 6 o'clock.
The human body temperature is not exactly the same within 24 hours, with the lowest at 4 am and the highest at 18, and the difference is within 1℃. Arranging work and rest system according to biological clock can improve work efficiency, reduce fatigue and prevent diseases.
References:
Baidu encyclopedia-running