Possibly Spine: The shocklike sensation you describe is sometimes referred to as lhermitte's sign. There are a few different neurological problems that can cause this sensation ranging from mechanical injury to the spine to problems with the spinal cord itself. This warrants a neurological evaluation.
Answered 1/30/2014
6.1k views
Perhaps spinal cord: You may be describing l'hermitte's sign (named for a neurologist). It is a shock running from the neck into the rest of the body. It can be seen in multiple sclerosis and various spinal cord problems. I suggest you see your doctor.
Answered 9/30/2013
4.9k views
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