What is the reason for facial muscle stiffness?

Facial muscle stiffness may be Parkinson's disease, Parkinson's syndrome or hepatolenticular degeneration. Parkinson's disease and Parkinson's syndrome mostly occur in middle-aged and elderly people. Parkinson's disease is a degenerative disease of nervous system. In the early stage, the patient showed static tremor. With the aggravation of the disease, muscle tension can be increased, which is characterized by inflexible movements of fingers and limbs, stiff facial muscles and lack of expression. Late patients may have abnormal posture and gait, which may be manifested as gait panic. If patients consider Parkinson's syndrome, most of them are caused by cerebrovascular diseases, and patients may also have physical obstacles, such as weakness of limbs and dizziness. If patients consider hepatolenticular degeneration, it can occur at any age, mainly genetic disease, which is caused by copper metabolism disorder. At the same time, the patient may have corneal k-f ring, which may also cause liver function damage. Make corresponding diagnosis and treatment for different diseases.