Older people can walk why lying in bed can not get up for many reasons, including the elderly waist strength is weak, lumbar disc herniation, acute cerebrovascular disease. 1. Elderly people with weak lumbar strength: the elderly daily life standing and walking is not too big a problem, when lying down and get up requires greater lumbar strength to support, there may be more difficult to get up when you can’t get up. 2. Herniated lumbar discs: the lumbar region needs to bear greater pressure when bending or moving from a lying position to a standing position, and the herniated discs are unable to withstand and complete such movements, and walking when standing upright is not affected. 3. Acute cerebrovascular disease: make the elderly limb weakness, serious hemiplegia, upright walking is still possible, but can not get up from the lying position. Older people can walk why lying in bed can not get up there may be other reasons, it is recommended to go to the hospital in a timely manner to identify the cause of the disease, targeted treatment.