Fifty-five year old woman legs especially tired to consider with long-term strain, exercise too strenuous, osteoporosis, lumbar disc herniation and so on. 1. Long-term strain: If a woman engages in long-term physical labor or always wears high-heeled shoes, resulting in fatigue injuries caused by excessive exertion of the lower limbs. 2. Exercise is too strenuous: if a woman is particularly tired and weak after a lot of strenuous exercise, it is considered to be related to the accumulation of local lactic acid caused by a lot of exercise, which can be gradually relieved after general massage. 3. Osteoporosis: for 55-year-old women, due to the decline in ovarian function, the body’s estrogen levels decline, which in turn will lead to excessive bone loss, and in severe cases, osteoporosis and so on, so there will be a particularly tired legs and other performance. 4. Herniated lumbar intervertebral discs: If a woman has a herniated lumbar intervertebral disc, due to local nerve compression, she will experience weakness and numbness in her legs. For fifty-five year old women whose legs feel particularly tired, it is recommended that they go to a regular hospital, if necessary, need to improve the bone density, MRI and other related examinations, to clarify the cause of the disease under the guidance of the doctor active treatment.