Neck stiffness may be related to the following reasons:
1、 Bad habits. If you keep your head down for a long time or work at the desk for a long time, the blood circulation of the neck muscles is not smooth, and the neck muscles will be stiff and tense.
2、 Neck muscle strain. If the neck sprain is not treated in time or keeps bad posture for a long time, it will lead to neck muscle injury and neck stiffness. At the same time, may be accompanied by neck pain, headache and other manifestations.
3、 Cervical spondylosis. If there is cervical disc herniation, bone hyperplasia and other conditions, there will be neck hard phenomenon.
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