Document Detail


An investigation into the regulation of intra-cranial pressure and its influence upon the surrounding cranial bones.
MedLine Citation:
PMID:  19524849     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The aim of this study is to present a rational coherent hypothesis to explain the palpable involuntary movements of the cranium. The arterial and venous anatomy inside and around the skull and spinal column presents a complete vascular system with the capacity to regulate intra-cranial pressure to a level of equilibrium slightly higher than atmospheric pressure. Variations in cerebrospinal fluid (csf) pressure control the volume of blood draining through the cavernous sinus and hence into the inter-vertebral venous plexus in relation to the jugular vein. Stable intra-cranial pressure is maintained by a controlled release of venous blood through the inter-vertebral venous plexus (slow) and the jugular vein (fast) in the cavernous sinus. Any distortion of the skull from its healthy state will lead to reduced intra-cranial volume. The process of release from the state of compression has been interpreted as "cranial rhythm" but may be a mechanical adjustment increasing the internal volume of the skull, aided by the continual maintenance of stable intracranial pressure. This involuntary movement is capable of being assisted manually.
Authors:
Graham Gard
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Publication Detail:
Type:  Journal Article; Review     Date:  2008-06-24
Journal Detail:
Title:  Journal of bodywork and movement therapies     Volume:  13     ISSN:  1532-9283     ISO Abbreviation:  J Bodyw Mov Ther     Publication Date:  2009 Jul 
Date Detail:
Created Date:  2009-06-15     Completed Date:  2009-09-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9700068     Medline TA:  J Bodyw Mov Ther     Country:  United States    
Other Details:
Languages:  eng     Pagination:  246-54     Citation Subset:  IM    
Affiliation:
ggard@supanet.com
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MeSH Terms
Descriptor/Qualifier:
Cavernous Sinus / anatomy & histology,  physiology*
Cerebrovascular Circulation / physiology*
Humans
Intracranial Pressure / physiology*
Manipulation, Osteopathic*
Movement / physiology
Skull / anatomy & histology,  physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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