What causes cervical spinal stenosis?
Cervical spinal stenosis is usually caused by age-related changes in the shape of the spinal canal and so is most common in people older than age 50. The aging process can cause a “bulging of the discs”—the spongy discs between the bones of the spine bulge out farther than normal—or a thickening of tissues that connect bones (ligaments). Aging can also lead to destruction of tissues that cover bones (cartilage) and excessive growth of the bones in joints. These conditions can narrow the spinal canal (spinal stenosis). What are the symptoms? Many people older than age 50 have some narrowing of the spinal canal but do not experience symptoms. Cervical spinal stenosis does not cause symptoms unless the spinal cord or nerves becomes squeezed. Symptoms usually develop gradually over a long period of time and may include: • Stiffness, pain, or numbness in the neck, shoulders, arms, hands, or legs. • Balance and coordination problems, such as shuffling or tripping while walking. Cervical spin
