other conditions may cause spinal stenosis, such as:
narrow spinal canal, which can be an inherited condition.
Spondylolysis, which is
a defect or fracture on one or both of the wing-shaped parts of a vertebra. A
vertebra may slide forward or backward over the bone below and may squeeze the
spinal cord or a nerve root.
Fibrosis, which is excess, ropy tissue much like scar
tissue. It can come from having spine surgery in the
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