Dear Mel
>the existing popular explanation for their effectiveness still
seems rather curious.
You are so correct with your paradox for the rational for this
technique. This is why we do not use this explanation in our teaching
to our undergrad students.
Furthermore, we still do not understand completely all the mechanisms
that are responsible for the effectiveness of friction phenomena.
There does appear to be more and more circumstantial evidence showing
that the effect of frictions rather than being mechanical in nature is
one of 'neuromoduation' phenomena - a rather all encompassing word for
having a modifying effect on the nervous system. Another area that
requires more exploration is at the cellular level in regard to
chemical mediators being stimulated by frictions.
Cheers
Erik Dombroski
Clinical Educator
School of Physiotherapy
AIT, Auckland, NZ
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