Cervical spondylosis is a common degenerative condition of the cervical spine. It is a condition involving changes to the bones, discs, and joints of the neck. It is most likely caused by age-related changes in the inter-vertebral disks. These changes are caused by the normal wear-and-tear of aging. With age, the discs of the cervical spine gradually lose fluid, and become stiffer. Clinically, several overlapping and distinct syndromes are seen. These include neck and shoulder pain, sub-occipital pain and headache.
To a certain extent, we all develop a degree of degeneration in the vertebrae and discs as we become older. More than 80% of the people over the age of 60 are affected. As the 'discs' degenerate over the years, they become thinner. Sometimes the adjacent vertebrae develop small, rough areas of bone on their edges. The nearby muscles, ligaments and nerves may become irritated by these degenerative changes which can cause troublesome symptoms.
Spondylosis is degenerative arthritis, osteoarthritis of the spinal vertebra and related tissue. If severe, it may cause pressure on nerve roots with subsequent pain or paresthesia in the limbs.
Neck pain is one of the most common problems that one encounters in day to day life. It is probably as common as common cold.
When the space between two adjacent vertebrae narrows, compression of a nerve root emerging from the spinal cord may result in radiculopathy (sensory and motor system disturbances, such as severe pain in the neck, shoulder, arm, back, accompanied by muscle weakness). Less commonly, direct pressure on the spinal cord (typically in the cervical spine) may result in weakness, gait dysfunction, loss of balance. The patient may experience tingling, numbness and weakness in the arms and hands because of nerve compression and lack of blood flow.
Cervical spondylosis results from chronic degeneration of the cervical spine including the cushions between the neck vertebrae (cervical disks) and joints between the bones of the cervical spine. There may be abnormal growths or "spurs" on the vertebrae (the bones of the spine - Osteophytes).
These accumulated changes caused by degeneration can gradually compress one or more of the nerve roots. This can lead to increasing pain in the neck and arm, weakness, and changes in sensation. In advanced stages, the spinal cord becomes involved. This can affect not just the arms, but the legs as well.
A previous neck injury (which may have occurred several years prior) can predispose to spondylosis, but the major risk factor is aging. By the age of 60, 70% of women and 85% of men show changes consistent with cervical spondylosis on x-ray.
Risk factors for cervical spondylosis include :
Following any period of prolonged inactivity, begin a program of regular low-impact exercises. Yogasana can also help to stretch and strengthen muscles and improve posture. Low-impact exercises appropriate for age can help well to strengthen upper back. Always stretch before exercise or other strenuous physical activity.
Last Modified : 8/31/2023
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