健康的身体是决定中老年人生活质量和生活满意度的一个极重要因素。在美国,中老年人积极参加体育运动的热潮正方兴未艾。1987年美国全国老年运动会只有2,500名参赛者,如今美国各个州都有,全国至少有340个地方 A healthy body is a very important factor that determines the quality of life and satisfaction of the elderly. In the United States, the active participation of middle-aged and old people in sports is on the rise. In 1987 the American National Geriatric Games only had 2,500 entrants and is now available in all U.S. states, with at least 340 places nationwide