obesity is a major health risk factor for a number of diseases & conditions including spinal problems. This is because excess weight puts excess weight on the spine leading to pain, inflammation & degeneration.
spinal stenosis is the narrowing of the spinal canal which can put pressure on the spinal cord & nerves, this can lead to pain, numbness & weakness in the legs & feet
facet joint syndrome is the arthritis of the facet joints, which are the small joints that connect the vertebrae. in addition to increasing the risk of spinal problems obesity can also make it more difficult to treat these conditions