The advantages of cycling exercise are unlimited time and speed. Riding a bike can not only lose weight, but also make your figure symmetrical. Because cycling is an exercise that needs a lot of oxygen, it can also strengthen the heart function. At the same time, it can also prevent hypertension, sometimes more effective than drugs. Cycling compresses blood vessels, accelerates blood circulation, and the brain absorbs more oxygen. Coupled with inhaling a lot of fresh air, it will make the brain more awake. Sitting in the car, you will feel very free and carefree. It is no longer just a means of transportation, but also a way to please the soul. Mr. Xu, who lives near Gongzhufen and works in a company near Dabeiyao, used to commute by subway, which is very convenient and fast. Now he rides a bike. Mr. Xu said that although it takes more time on the road, it is worthwhile to calm down and exercise. Sports experts pointed out that due to the special requirements of cycling, the arms and trunk mostly work statically, and the legs mostly work dynamically. When blood is redistributed, there is more blood supply in the lower limbs, and the change of heart rate varies according to pedaling speed and terrain fluctuation. The body is in urgent need of nutrition supplement and waste discharge, so the heartbeat is often 2 to 3 times higher than usual. Repeated practice like this can make the myocardium developed, the heart enlarged, the myocardial contraction strong and the elasticity of the blood vessel wall enhanced. Therefore, lung ventilation, vital capacity and respiratory function have all increased. Expert advice: Exercise should be moderate. It's not enough to just focus on the distance you ride. You can keep in good shape when riding a bike meets resistance. Ride for at least 30 minutes at a time, but not more than 60 minutes. Relax your upper body when riding a bike to avoid shoulder and neck pain; Don't press your body too low when riding a bike, or you will limit your abdominal breathing.