The CranioSacral
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The CranioSacral system is comprised of the meningeal membranes and cerebrospinal fluid that encase and protect the brain and spinal chord.  It is housed within the bones of the skull and face down through the spinal column and into the sacrum or “tailbone” area.  Because it is intimately related to the central nervous system, a restriction within this system can give rise to many sensory, motor or neurological symptoms or problems. 

The CranioSacral system is a semi-closed hydraulic system and has a palpable and measurable rhythm separate from either the heartbeat or respiration rate.  It is a slower pulse than the heart rate or breathing with a rate of six to ten cycles per minute. 

This CranioSacral rhythm is created by the formation and absorption of the cerebrospinal fluid within the ventricles of the brain.   All of the bones in the body make minute rotations in synchrony with the CranioSacral rhythm.  Because these movements can be felt anywhere on the body by trained practitioners, it can be used as a tool to both locate restrictions in the body and as a measure of assessment as to whether the treatment in a particular area of the body has been successful and to what degree.