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Spinal stenosis is an abnormal narrowing of the spinal canal or neural foramen that results in pressure on the spinal cord or nerve roots. [6] Symptoms may include pain, numbness, or weakness in the arms or legs. [1] Symptoms are typically gradual in onset and improve with leaning forward. [1]
Lumbar spinal stenosis is a common condition and causes substantial morbidity and disability. It is the most common reason people over the age of 65 pursue spinal surgery. [1] The condition affects over 200,000 people in the United States. [1]
In addition to spinal stenosis, other lower back conditions such as spondylosis, tumors, infections and herniated or ruptured discs can cause NC. These conditions contribute to the potential narrowing of the spinal cord, increasing pressure and inducing damage on the spinal nerve roots, thus, causing paing, tingling or weakness in the lower ...
Lordosis in the human spine makes it easier for humans to bring the bulk of their mass over the pelvis. This allows for a much more efficient walking gait than that of other primates , whose inflexible spines cause them to resort to an inefficient forward-leaning "bent-knee, bent-waist" gait.
Cervical spinal stenosis can be far more dangerous by compressing the spinal cord. Cervical canal stenosis may lead to serious symptoms such as major body weakness and paralysis. Such severe spinal stenosis symptoms are virtually absent in lumbar stenosis , however, as the spinal cord terminates at the top end of the adult lumbar spine, with ...
Symptoms for spinal tumors may vary due to factors such as the type of tumor, the region of the spine, and the health of the patient. Back pain is the most common symptom and it can be a problem if the pain is severe, has a time frame that lasts longer than it would for a normal injury, and becomes worse while laying down or at rest. Other ...
The etiology of dural ectasia is unknown, but it has been suggested that is due to increased hydrostatic pressure, [8] general weakened connective tissue [9] or as a result of the pulsatile flow of cerebrospinal fluid on weakened spinal dura. [10] Dural ectasia is common in Marfan syndrome, [3] occurring in 63–92% of people with the syndrome ...
The severity of such symptoms tend to progress over time and occur more frequently amongst older patients. [5] CSM symptoms can be unilateral or bilateral, depending on the lateral regions where compression of the spinal cord and nerve roots occur. [9] If left untreated, CSM can lead to long-term or permanent damage to the spinal cord and nerve ...