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Old 12-17-2017, 10:25 AM
Mark in Idaho Mark in Idaho is offline
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Mark in Idaho Mark in Idaho is offline
Legendary
 
Join Date: Feb 2009
Location: Somewhere near here
Posts: 11,418
15 yr Member
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The jerking is not causing a concussion. The startle can trigger symptoms, either from anxiety or from a minor vestibular disturbance.

The tense neck muscles suggest a sensitive upper cervical issue. Aggravating that can also trigger a return of symptoms.
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Mark in Idaho

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