Stiff neck

Neck stiffness refers to the tense neck muscles, swelling, stiffness, cramps (cramps), etc., and neck movements are not flexible. Common in fatigue and cervical spondylosis. Neck stiffness is a continuous excessive muscle contraction, which not only reduces the blood supply to the neck muscles, but also causes the accumulation of metabolites such as lactic acid, which causes muscle ischemic pain. Pain in the back of the head and pain in the head may be tension headaches caused by head or cervical spine lesions. Cervical spondylosis, also known as cervical syndrome, is a general term for cervical osteoarthritis, proliferative cervical spondylitis, cervical nerve root syndrome, and cervical disc herniation. It is a disease based on degenerative pathological changes. Mainly due to long-term cervical strain, bone hyperplasia, or disc herniation, thickening of ligaments, resulting in compression of the cervical spinal cord, nerve root or vertebral artery, a series of clinical syndromes of dysfunction. It is manifested by cervical disc degeneration itself and its secondary series of pathological changes, such as vertebral instability and loosening; nucleus pulposus or prolapse; bone spur formation; ligament hypertrophy and secondary spinal stenosis, which stimulate or compress Nervous roots, spinal cords, vertebral arteries, and cervical sympathetic nerves cause various symptoms and signs of the syndrome.

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