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在中国,常常看到很多老年人散步或聊天时,手中不断旋转着两个铁球,并发出清脆悦耳的响声。这种铁球就是被老年人称为健身益友的「健身球」。美国总统里根去年五月访华时,赵紫阳总理就送给他及夫人各一对「健身球」。健身球起源于明代,距今有五百年的历史。开始为实心体,既是健身器材,又是防身武器,后来逐步发展为空心体,内部装有音板,主要用于健身了。有的老人也以核桃或木球作健身球用。健身球的练习方法很简单:一般为单手
In China, you often see many elderly people walking or chatting constantly with two iron balls in their hands and a crisp, sweet sound. This kind of iron ball is the “fitness ball” which the elders call a fitness friend. When U.S. President Reagan visited China in May last year, Premier Zhao Ziyang handed him and his wife a pair of “fitness balls.” Fitness ball originated in the Ming Dynasty, dating back five hundred years of history. Started as a solid body, both fitness equipment, but also self-defense weapons, and then gradually developed into a hollow body, with soundboard inside, mainly for fitness. Some elderly people also use walnuts or wooden balls for fitness balls. Fitness ball practice method is simple: usually one hand