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Damage to the spine can affect the reflex arc by delaying the nerve pathway or making it so you are unable to move a muscle.
Answer... They operate on the brain, spine[when nerve damage is present], do nerve biopsies... that sort of thing... too numerous to catalog here... Why not do a 'net search. There is a great deal of information for you.
You can find nerve tissue mostly in your spinal cord. Your spine protects your spinal cord. An other word for the spine is vertebral column.
There are any number of ways. Since we walk upright and use our hands, the spine really is not well made for walking upright. We have four curves and all of our body's weight on the lower part. Gravity does compress the discs and that causes nerve damage. Sudden stops that can occur in car crashes can further move the vertebra and that does more damage. As we age, bone loss occurs and again causes nerve damage. Maybe we need to be redesigned.
Along your spine and head.
Along your spine and head.
Could be anything from spine or nerve damage to a GREAT indicator of a heart attack. If you have this might be time to head to an emergency room.
If it is done correctly nothing should go wrong. However if a nerve is hit or severed then it can cause serious damage which may include paralysis.
Brain, spine, nerve axons.
in th spine
The nerve pathway travels down from the s1 spine. If the nerve root at the s1 is impinged or herniated, symptoms of sciatica can appear.
There are several nerve branches in the spinal column. The most popular being the sciatic nerve which branches of the lumbar spine into the legs.