自行车运动是一项有益的健身活动,深受广大群众的喜爱。但是,中老年人进行长途自行车锻炼,对机体产生什么影响,是否适宜从事这项活动,如何制定运动处方?是值得探讨的。我们对10名参加长途自行车锻炼的中老年人进行了医学观察,包括心肺功能,体力,蹬车耐力以及免疫功能等多项指标的测定,现将结果报告如下: Cycling exercise is a useful fitness activity, which is deeply loved by the masses. However, it is worth discussing how the middle-aged and elderly people who exercise long-distance bicycles have any impact on the body and whether it is appropriate for them to engage in this exercise. We conducted a medical observation of 10 middle-aged and elderly people participating in long-distance bicycle exercise, including the determination of a number of indicators such as cardiopulmonary function, physical strength, pedal endurance and immune function. The results are reported as follows: