人到了四十岁左右,臂部肌肉会逐渐萎缩、下垂,大腿变瘦,下半身越来越单薄。下半身肌肉一旦衰退,就会出现体力变差,容易疲倦等症状。随之而来的,可能就是高血压、心脏病、糖尿病、肥胖症、高脂血症、痛风、癌症等慢性病。日本著名学者石原结实博士最近提出,应该注意“锻炼下半身”问题。他指出,人体的肌肉约占体重40%,其中70%以上的肌肉集中在下半身。如果下半身的肌肉开始衰退,就会出现各种 People to the age of 40 or so, the arm muscles will gradually shrink, drooping, thigh thinning, the lower body more and more thin. Lower body muscles once the decline, there will be physical deterioration, fatigue and other symptoms. What follows is chronic diseases such as high blood pressure, heart disease, diabetes, obesity, hyperlipidemia, gout and cancer. Japanese well-known scholar Ishihara Shizumi recently suggested that we should pay attention to “exercise lower body ” issue. He pointed out that the body’s muscles account for about 40% of body weight, of which more than 70% of the muscles are concentrated in the lower body. If the lower body muscles begin to decline, there will be a variety