Peng Laobo, a 63-year-old specialist, didn't have the habit of shaking his legs when he was young, but he often shook his legs unconsciously when he was old. At the beginning, Peng Laobo and his wife thought that they were old and their muscles were out of control, and they didn't take this "indecent move" to heart. After a while, Peng Laobo couldn't help shaking his legs when he walked. The more he thinks about it, the more he thinks it's abnormal. He was worried that there was something wrong with his nervous system, so he went to the hospital for examination. The examination showed that Peng Hui's nervous system was normal. The doctor suggested that he take a film of the lumbar spine before finding out the culprit-Peng Laobo suffered from lumbar disc herniation. Some leg tremors are signs of illness. Why do lumbar problems cause leg tremors? Medical experts believe that lumbar disc herniation will stimulate blood vessels and nerves to be compressed, and in the long run, leg shaking symptoms may occur. Vascular development disorder in the brain can cause abnormal discharge of neurons, which is often called epilepsy. Epilepsy patients often shake their legs unconsciously. At present, many epilepsy patients don't know that shaking their legs is a health problem. Some Parkinson's patients also shake their legs. Medical experts have warned that some people will shake their legs unconsciously, which may be a subconscious action that is out of control, or it may be a "signal" from symptoms, such as shaking hands, shaking their heads and blinking when drinking. Don't think it's just a common bad habit, but you should go to the neurology department to check whether it is caused by pathological changes. Why do you unconsciously shake your legs a, shake your legs or remind Parkinson's disease experts? Do you still remember 1996 at the opening ceremony of Atlanta Olympic Games, boxing champion Ali lit the main torch with trembling hands? This is because he has Parkinson's disease. When people reach old age, the dopamine nerve in the brain is constantly damaged, and the dopamine transmitter drops to 1/5, so there will be symptoms of Parkinson's disease: shaking hands, rigidity, abnormal posture and so on. And gradually shake hands until the button can't be buckled, and people need to feed you when eating; It is difficult to walk and lift your legs, and it is easy to fall. People need help to go to the toilet; Unable to turn over on his own, he ended up in bed. B, shaking your legs or shaking your legs to relieve anxiety has no clinical significance, just a self-relaxation, unconscious action. It has nothing to do with what some netizens call "kidney deficiency". It's normal to shake your legs, but it's observed that people generally don't shake their legs when they concentrate on their work, but when they are bored, which is an unconscious phenomenon. Some people are used to shaking at ordinary times, and it will be uncomfortable not to shake. There is also a situation, that is, the performance of relieving tension. If you are going to speak at the conference soon, some people will shake their legs to relieve some anxiety, which is a manifestation of internal emotional release and distracts the brain to some extent. Standing alone 1 hour is often more uncomfortable than walking 1 hour, and so is sedentary. Shaking your legs properly can alleviate this situation. In addition, shaking legs can also burn leg fat, which has the effect of slimming. For the elderly, sitting for a long time, such as playing chess, may also cause deep venous thrombosis of lower limbs. When suddenly standing up, the thrombus may fall off, return to the heart with the vein, and then reach the lungs, causing fatal "pulmonary embolism." Therefore, shaking your legs often has a good effect on preventing embolism. As one of the four manifestations of anxiety, sports anxiety is a common phenomenon, and shaking legs, fidgeting and muscle spasms may all be related to anxiety and nervousness. Nowadays, many white-collar workers have great work pressure, irregular lives and no time to relax, which will cause emotional anxiety. But not all people who love to shake their legs are anxious, because some people are out of habit. People with emotional anxiety had better learn to relax themselves. If the anxiety is serious, it is best to see a doctor in time. (medical literature)