![]() The narrowing may not cause any symptoms. A MR scan or CT scan can visualize the canal where the nerves live and quantify the degree of narrowing as well as rule out other causes.Spinal stenosis is the narrowing of the spinal canal, which causes loss of power and sensation in the limbs. Spinal stenosis is a term used to describe a narrowing of the spinal canal. There are no laboratory tests that can detect the presence or absence of a stenosis, but they may be helpful in the diagnosis of unusual causes of nerve root and spinal cord dysfunction. The examination is also used to rule out other conditions such as those associated with hip and knee arthritis or diabetes. Abnormalities in the strength and sensation of particular parts of the body that are found with a neurological examination provide the most objective evidence of chronic nerve root compression caused by spinal stenosis. Spinal stenosis occurs when open spaces within the spine become narrowed, causing pressure on the spinal cord and nerves of the spine. A physical examination is essential for determining how severe the condition is, and whether or not it is causing weakness or numbness in certain parts of the body. Your doctor will determine what symptoms are present, what makes them better or worse, and how long they have been present. Others may experience pain, tingling, numbness and muscle weakness. Some people with spinal stenosis have no symptoms. Spinal stenosis occurs most often in the lower back and the neck. This can put pressure on the spinal cord and nerves that travel through the spine. The diagnosis of spinal stenosis begins with a complete medical history and physical examination. Spinal stenosis happens when the space inside the backbone is too small. The presentation and severity of the symptoms of spinal stenosis depends on several factors, including the original width of the spinal canal, the susceptibility of the nerves involved, and the unique functional demands of the person and their individual pain tolerance. However, if they are walking down an incline or flight of stairs, or if they have to give up the shopping cart, their symptoms will often reappear. They can often walk for extended distances if they have something to lean on, like a shopping cart. For instance, most people with spinal stenosis can ride a bike and walk up an incline or flight of stairs without any pain. It often occurs in the lumbar spine, or low back, but can also occur in the cervical spine of the neck. This can cause pinching of the spinal cord itself, or of the spinal nerve roots that exit from the spinal cord. Spinal stenosis is a condition in which spaces in the spine narrow, compressing the spinal cord. Both surgical and conservative approaches have been used for the management of LSS. Spinal stenosis occurs when openings in the vertebrae of the spine narrow due to degenerative changes. LSS is more commonly diagnosed in an aging population. These positions usually involve flexion (bending) of the lower spine and bending forward. Lumbar spinal stenosis (LSS) is a lumbar vertebrae disease resulting from degenerative changes caused by the narrowing of the central canal, the lateral recess, or neural foramen 1. Certain positions can alleviate the symptoms of spinal stenosis by increasing the amount of space available for the nerves. More severe symptoms of the disorder include numbness, tingling, and weakness in the lower extremities. In some cases, a person will complain of leg pain and weakness without having any back pain. In people who have significant spinal stenosis, they will begin to notice pain in the buttocks, thigh or leg that develops with standing or walking, and improves with rest. ![]() Some people with degenerative disease of the spine may have no symptoms at all, some may complain of mild discomfort in the lower back, and others may not even be able to walk. Each of these processes may interfere with the normal function of the nerve roots and decrease the effectiveness and endurance of the spinal nerves. ![]() At the same time, the symptoms of spinal stenosis may be the direct result of physical compression of the nerve roots. Pain in the buttocks or leg, which is a common symptom of lumbar spinal stenosis, may be associated with the compression of the microvascular structures carrying blood flow to the nerve roots. The reason why stenosis causes weakness and pain is the subject of a significant amount of debate and medical research. ![]()
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