最近,美国出版了一些专著,推荐一种新的运动方法——健身步。其特点是能提高吸氧代谢能力,从而达到增强体质的目的。作者指出:一般的散步属于保守型的活动,健身效果不显著,长跑虽能提高吸氧能力,但跑步时膝关节要承受三倍于体重的压力,对年老体弱的人有 Recently, the United States published a number of monographs, recommending a new method of exercise - fitness step. Its characteristics are to improve oxygen metabolism, so as to achieve the purpose of enhancing physical fitness. The author points out: The general walking is a conservative activity, the fitness effect is not significant, although the long-distance running can improve the oxygen absorption capacity, but when running the knee to withstand three times the weight of the pressure on the frail elderly people have