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Automobile Collisions / Workers' Compensation

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Cervical Radiculopathy Causes

Cervical radiculopathy is called neurogenic pain and is caused by any condition that puts pressure on the nerves where they leave the spinal column. This is much different than mechanical neck pain. Mechanical neck pain is caused by injury or inflammation in the soft tissues of the neck, such as the discs, facet joints, ligaments, or muscles. The main causes of cervical radiculopathy include degeneration, disc herniation, and spinal instability. Cervical radiculopathy is a common workers compensation injury, especially from job duties over time that include overhead work and neck flexion and extension.

As the spine ages, several changes occur in the bones and soft tissues. The disc loses its water content and begins to collapse, causing the space between the vertebrae to narrow. The added pressure may irritate and inflame the facet joints, causing them to become enlarged. When this happens, the enlarged joints can press against the nerves going to the arm as they try to squeeze through the neural foramina. Degeneration can also cause bone spurs to develop. Bone spurs may put pressure on nerves and produce symptoms of cervical radiculopathy.

Heavy, repetitive bending, twisting, and lifting can place extra pressure on the shock-absorbing nucleus of the disc. A blow to the head and neck can also injure the annulus (the tough, outer ring of the disc). If the annulus ruptures, or tears, the material in the nucleus can squeeze out of the disc. This is called a disc herniation.

Although daily activities may cause the nucleus to press against the annulus, the body is normally able to withstand these pressures. However, as the annulus ages, it tends to crack and tear. It is repaired with scar tissue. Over time, the annulus becomes weakened, and the disc can more easily herniate through the damaged annulus. If the herniated disc material presses against a nerve root it can cause pain, numbness, and weakness in the area the nerve supplies.

Spinal instability means there is extra movement among the bones of the spine. Instability in the cervical spine (the neck) can develop if the supporting ligaments have been stretched or torn from a severe injury to the head or neck. Spinal instability also includes conditions in which a vertebral body slips over the one just below it. When the vertebral body slips too far forward, the condition is called spondylolisthesis. Whatever the cause, extra movement in the bones of the spine can irritate or put pressure on the nerves of the neck, causing symptoms of cervical radiculopathy.

McCormick Law Office in Milwaukee, Wisconsin works with experts to prove cervical radiculopathy is work-related, caused by job duties over time as well as a single, work accident.

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