长跑是一种众所周知的健身运动,由于其简单易行,不需要任何体育设施及场地,故而成为中老年人所日益喜爱的体育运动。 许多长期参加健身跑的中老年人与不参加运动的老人比较,其体质有明显增强,精力充 Long distance running is a well-known fitness exercise that has become an increasingly favorite sport for the elderly because of its ease of use and its absence of any sports facilities and space. Many middle-aged and old people who have been participating in fitness running for a long period of time have significantly improved their physical constitution compared with those who do not participate in sports.