人上了年纪,不仅肌肉骨骼衰老,神经系统也退化,所以上下楼很容易发生意外。老人体质较差,肌肉及韧带的弹性不如青壮年时期,稍有状况就难以控制。老年人在上下楼时,要掌握一定的技巧。宁斜勿直。斜着上楼梯使得步幅变大,而上升幅度不变,那每单位步长 People are old, not only musculoskeletal aging, the nervous system is also degraded, so upstairs and downstairs are prone to accidents. Elderly physical poor, muscle and ligament flexibility as young adults, a little difficult to control the situation. When getting up and down the elderly, to master certain skills. Ning rather not straight. Tilting up the stairs makes the stride larger, while the rate of increase does not change, that per unit step