The muscles in the legs may keep jumping due to the following reasons: 1, there may be excessive fatigue, such as patients doing strenuous fitness activities or long-distance running, which may cause excessive fatigue of the muscles here, which may cause them to spasm and jump. 2, there may be excessive pain, such as in the onset of severe lumbar disc herniation, which may lead to severe radioactive The pain of the lumbar disc may be severe and cause the muscles to throb. In addition, if there is a serious injury to the lower extremity, such as a knife cut, which causes the patient to feel severe pain, it may also cause the muscle to throb. 3. There may be neurological related pathologies, such as the onset of Parkinson’s syndrome, which may produce muscle throbbing. 4. It is possible to produce a situation where the muscles of the legs keep jumping.