Comparison between CV4 and EV4 - Osteopathic Research

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‣ Life is movement
‣ The body is a unit
‣ Structure and function reciprocally affect each other
‣ Rule of the arteries
‣ The body has the power to heal itself
3.4 CV4 and EV4 working mechanism
The CSF longitudinal fluctuation is brought to a stillpoint via the occipital bone.
CV4 prevents the flexion phase and EV4 prevents the extension phase of the
CRI. The anatomical connection between the occipital bone and the tentorium
causes a change in the membrane system’s tension, which should lead to
changes in pressure and hydrodynamic behavior in intracranial fluids. These
pressure, tension and flow changes influence, even stimulate the neighbouring
physiological centres.
A parasympathetic effect raises liquor production and a stagnating fluctuation
could be once again accelerated by the stimulation of the exchange process
(production and resorption).
A further thought model for those workings of this effect is the one offered by
Jealous. The “biodynamic cranial osteopathy” communicates with the natural
laws of primary respiration and their healing power. ”CV4 is a technique that
takes us back to the first function of life which is the movement of the midline in
the embryonic plate. It reorganizes all electrical processes in the body around
their origin” and ”EV4 takes the potency from the midline, the CV4 brings it to
the midline“. 31 Sutherland and Becker 32 also repeatedly mentioned on the
ground laying meaning of this potency for the craniosacral work. For Still 33 , the
CSF was: „one of the highest known elements“ and an important element for
31 JEALOUS James: WSO Seminar: Biodynamische Kranialosteopathie, notes, Pöttmes, 2000
32 BECKER Rollin: The Stillness of Life, (edited by R.Brooks), Portland: Stillness Press, 2000
33 STILL Andrew Taylor: The Philosophy and Mechanical Principles of Osteopathy, 1902,
Kirksville: Osteopathic Enterprise, 1986, p.44-45
Margit Grill / 2006