Nerve root: impingement can lead to loss of function. Motor nerve root transmits impulses to muscles which may atrophy over time if the root compression cannot be alleviated. Sensory nerve root impingement will cause sensory symptoms (numbness, parasthesias and pain) in that nerve root territory. Displacement of a nerve does not necessarily result in dysfunction unless the nerve is stretched or compressed.
Answered 5/23/2016
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