<p class="MsoNormal"><span lang="EN-US"> </span><span style="font-family:宋体;mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;
mso-fareast-font-family:宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:
Calibri;mso-hansi-theme-font:minor-latin">和散步一样，爬楼梯也是最经济的日常锻炼方式，是一项不错的有氧运动，但属于高强度，有磨损膝关节的副作用。中老年人骨质老化加速，很容易损伤关节，如果关节不好最好选择其他有氧运动。即使关节健康，也一定要适量。</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:宋体;mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:
minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin"> 爬楼梯可以锻炼心肺功能和下肢肌肉，对心脑血管疾病防治有一定的好处。但并非百利无一害，因为爬楼梯的过程，膝盖需要负担比平时大</span><span lang="EN-US">4</span><span style="font-family:宋体;mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:
minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">倍的重量，如果是体重达到</span><span lang="EN-US">60</span><span style="font-family:宋体;mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:
minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">公斤的人，负重可高达</span><span lang="EN-US">240</span><span style="font-family:宋体;mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:
minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">公斤。进一步加速关节的磨损，造成膝关节疼痛，进而引发膝关节炎、退行性关节炎等关节疾病。而且，患心脑血管病的老年人，爬楼梯运动量过大，有可能诱发心梗、心绞痛等问题。那么，是不是说中老年人就不能爬楼梯锻炼呢？</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span style="font-family:宋体;
mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:
宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin">专家指出，身体较好的人爬楼梯要注意方法和量的把握，每次</span><span lang="EN-US">2</span><span style="font-family:宋体;mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:
minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">—</span><span lang="EN-US">3</span><span style="font-family:宋体;mso-ascii-font-family:Calibri;
mso-ascii-theme-font:minor-latin;mso-fareast-font-family:宋体;mso-fareast-theme-font:
minor-fareast;mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">层为宜。爬楼梯的过程中，要用手拽着栏杆，减轻身体对关节的压力。而关节不好的老年人，应该避免爬楼梯，最好选择散步、慢跑、游泳等和缓项目。毕竟锻炼是为了让身体更健康，而不是加重负担。</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:21.0pt"><span style="font-family:宋体;
mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:
宋体;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri;
mso-hansi-theme-font:minor-latin">在运动的同时也要及时补充骨胶原蛋白，让身体运动更轻松。</span><span lang="EN-US"><o:p></o:p></span></p>
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