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我国是闻名世界的“自行车王国”。据统计,我国有近4.4亿辆自行车,约占全世界自行车拥有量的1/3。许多中老年人把骑自行车作为一种锻炼方式。骑车时脊柱、肩、肘、腕、手、髋、膝、踝、足等各个关节,以及全身100多块肌肉参与活动。在人流如潮的大路或崎岖不平的小道上骑行,需不时调整方向和速度,不但锻炼了肌肉,还锻炼了反应能力,使人不知不觉变得更加敏捷。但骑自行车时如果不加注意,也会引起疾病。 车鞍过高与颈椎病 有些人将自行车车鞍有意调高,骑上去屁股撅得高高的,身体过度前倾。这样势
Our country is the world famous bicycle kingdom. According to statistics, there are nearly 440 million bicycles in our country, accounting for about 1/3 of the bicycles in the world. Many middle-aged and elderly people use cycling as a form of exercise. Ride the spine, shoulder, elbow, wrist, hand, hip, knee, ankle, foot and other joints, and more than 100 muscles throughout the body to participate in activities. Riding on crowded roads or bumpy trails, adjust the direction and speed from time to time, not only exercise the muscles, but also exercise the reaction ability, unknowingly become more agile. However, if you do not pay attention when riding a bicycle, it can cause disease. Saddle height and cervical spondylosis Some people will be deliberately raised bicycle saddle, rode to the buttocks too tall, the body too much forward. This trend