As the old growth, bones will slowly shrink small change light, joint site will be more and not arbitrarily, was hit once, unfortunately fracture, recovery time will be longer than young people.

• 随着年纪增长，骨骼会缓缓缩细变轻，关节部位会愈来愈不随意，一旦不幸遭逢骨折，复原所需时间亦会比年轻人长一点。