经常见到一些老年人,喜欢背着手走路,据说是为了纠正驼背。专家指出,这是一种误解。老年人背着手走路,于驼背无益,反而有害,同时还会增加不安全因素。老年人背转双手时,手臂向内向后旋转,上臂的肩端就会向前旋出,肩关节相应向前向内扣 Often see some elderly people, like to walk with their hands, is said to be correct humpback. Experts point out that this is a misunderstanding. Backs walking by the hand of the elderly are useless to the hump, but harmful, but also increase the insecurity. When the elderly turn their hands back, the arm rotates inward, the shoulder on the upper arm will be unscrewed forward, the shoulder joint correspondingly forward and inward buckle