Cervical spondylosis is a disease caused by lesions in the cervical spine. To be precise, cervical spondylosis refers to degenerative changes in the intervertebral discs, cervical spine joints, cartilage, ligaments, muscles and fascia and their secondary changes, resulting in damage to the spinal cord, nerves, blood vessels and other tissues, such as compression, irritation and destabilization, resulting in a series of clinical symptoms, which is called cervical spondylosis. What are the symptoms of cervical spondylosis? 1, neurogenic cervical spondylosis: narrowing of the intervertebral foramen leads to compression of the cervical spinal nerve, mostly seen in the 4-7 cervical vertebrae; radiating pain or numbness in the upper limbs, which radiates along the course of the compressed nerve root and the innervation area, sometimes the appearance and relief of symptoms are obviously related to the position and posture of the patient’s neck; or – the affected upper limbs feel heavy, grip strength is reduced, and sometimes there are falling objects. 2, vertebral artery type cervical spondylosis: high incidence age group: 30-40 years old, due to bone spurs, vascular variation or lesions resulting in insufficient blood supply, patients of this type will appear dizziness, mostly appearing or aggravated during head activities, also appearing head swelling and pain, there are also a few people with sudden amblyopia or blindness, usually recovering automatically within a short period of time, severe vertebral artery type cervical spine patients, when the head suddenly turns or lowers the head, when tilting the head appears Sudden collapse. 3.Spinal cord type cervical spondylosis: neck pain is not obvious, at first it is mainly weakness of the limbs, unstable walking and holding, abnormal sensation in the trunk, patients often feel a belt-like binding sensation in the chest, abdomen, or both lower limbs; in severe cases, spastic paralysis of the limbs, bedridden, and incontinence of urine and feces. 4.Sympathetic cervical spondylosis: Due to various cervical lesions provoking the nerve roots, patients of this type have more complicated performance, sometimes headache, dizziness, nausea, vomiting, blurred vision, and sometimes dizziness, blurred eyes, nasal congestion, lacrimation, abdominal distension, blood pressure changes, heart rate changes, and arrhythmia. 5. Mixed type: The above two or more types exist at the same time. How to prevent: 1, to ensure good sitting posture: often due to work position and posture or long-term head down, so that the muscles of the neck in a long-term non-coordinated stress state, the ligaments and muscles of the back of the neck is easy to be strained, strain, and vertebral body front edge due to mutual wear and tear and hyperplasia, so workers and students should first have the correct sitting position and sitting posture. Generally should take a natural sitting position, the chest to keep straight, head slightly tilted forward. In addition, the height of the table and chairs will also affect the posture of the human body, such as high tables or chairs are too low, it will make the person’s head too far back and shoulders up, so that the distance between the eyes and the desktop shortened, both easy to cause strain on the neck and shoulder muscles, but also easy to lead to vision fatigue and myopia; on the contrary, if the table is too low or chairs are too high, it is too much forward leaning forward, more likely to lead to strain on the neck. 2, correct the inappropriate sleeping position: adjust a reasonable sleep posture, choose the right pillow height. 3, strengthen exercise, strengthen the body: China’s ancient “flowing water does not rot, the household does not stand” idiom, “Nei Jing” has “guide by leap”, Hua Bo has “five fowl play”, all explain The whole body exercise can strengthen the body and prevent diseases. For cervical spondylosis can be made through taijiquan, radio exercises and other systemic exercise, but also through the functional exercise of the neck to enhance the local muscle strength, smooth the cervical joints to relieve the symptoms, so that the lesions gradually improve.