步行可能是最简单的锻炼方式,但就连最有热情的健身爱好者都没有抓住机会多步行;事实上,有些人还不遗余力地加以躲避。健身专家建议,每周至少进行两个半小时的适度锻炼。好消息是,这种锻炼包括步行。婴儿潮一代的膝盖可能已经不适于跑步,他们健身用的自行车也已经变成 Walking may be the easiest way to exercise, but even the most enthusiastic fitness enthusiasts do not seize the opportunity to walk more; in fact, some people spare no effort to avoid it. Fitness experts suggest that at least two and a half hours per week moderate exercise. The good news is that this exercise includes walking. Baby Boomers’ knees may not be suitable for running, and their bike for fitness has also become