“生命在于运动”是尽人皆知的道理,可是有些人尽管常在运动,却并未达到增强体质、推迟表老的目的。原因就在于他们不懂得交替运动的重要性,一个体力劳动者劳动一生,大脑智力却未得到充分开发;一个脑力劳动者,尽管终生伏案笔耕,可肌肉关节、呼吸、循环系统的机能 “Life is movement” is a well-known truth. However, although some people are constantly exercising, they have not achieved the goal of enhancing their physique and delaying their appearance. The reason is that they do not understand the importance of alternating motions. A manual laborer does not have a full-fledged brain intelligence during his working life. A mental worker who, despite a lifelong effort, can musculoskeletal, respiratory, and circulatory functions