Origin of bicycle name: 1866. The first overseas delegation was sent by the Qing Dynasty, among which Zhang Deyi, aged 19, used the word "bicycle" in his travel notes, so the word "bicycle" first appeared and has been used ever since.
Benefits of cycling:
1, develop the brain and improve physical fitness
Because cycling is an opposite movement, it can improve the agility of the nervous system. Cycling with both legs alternately can develop the left and right brain functions at the same time, and cycling can also effectively exercise the muscle strength of lower limbs and enhance the overall endurance.
2. Lose weight and prolong life.
Because in cycling, the human body carries out periodic aerobic exercise, so that the exerciser can effectively consume more calories, and long-term persistence can achieve significant weight loss effect. Cycling is a kind of exercise to enhance cardiovascular and cerebrovascular functions and cardiopulmonary functions.
Extended data
Precautions for cycling:
1. Adjust the height and angle of the seat. If the seat is too high, the hips will inevitably move left and right when riding, which will easily cause the lower part of the club to be scratched; The car seat is tilted forward, which is more likely to cause perineal discomfort.
2. When riding for a long time, we should pay attention to changing the riding posture, so as to move the center of gravity of the body and prevent the perineum from exerting force for a long time.
3. When riding the gearbox for the first time, don't be too fast and too long, and then accelerate the timeout after the body adapts.
4. When riding a bicycle, if you find that the perineum has uncomfortable symptoms, you should find out the reasons in time. If there is something wrong with the seat, it is necessary to eliminate or improve it in time, and pay attention to rest, and then ride a bicycle after the symptoms are eliminated; If you can't get rid of the symptoms, you should go to the hospital and ask a doctor for examination and treatment.
People's Network-Improper cycling can also hurt your health. How to ride a bike correctly?
Baidu encyclopedia-bicycles