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Ignatius Teo wrote:
Interesting theory.... but last time I checked, autonomic anti-gravity responses were controlled by the vestibular system - not by the rhythmic hypnoptic gyrations of the hips... :P
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There are (at least) three orientation systems in the body, the vestibular (inner ear), the stereoscopic visiospatial and kinesthetic/propriosensory (how you know where you hand is when it is behind your head). If one of these does not agree with the other two, the negative feedback creates dissonance, which if it cannot be resolved by re-orienting, in many cases results dizziness and even nausea. There are studies showing significant improvement of impaired balance by stochastic resonance amplification (vibration) in the foot soles (below even conscious sensory thresholds). See
http://www.spectrum.ieee.org/apr05/1294. That shows the importance of the kinesthetic somatic sense. It also suggest ways in nwhich training can increase the ability to use subsensory inputs -- the spooky stuff -- but equally how seemingly ephemeral the approach to that training may necessarily be. That is why Kokyu tanden ho is so improtant even though it seems often to have no "point" ordirection interms of its place in our trainng for various techniques You are training things you don't readily know about most of the time.
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Ignatius Teo wrote:
It doesn't explain how you can topple the entire structure at any of the major articulation points - foot, knee, hip, shoulder, elbow, wrist, head/neck - without "buckling the middle" - which may be the result of an autonomic anti-gravity response to maintain semi-upright equilibrium.
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Lock up the articulation at issue to give good connection to the center (kotegaeshi, nikkyo, sankyo, etc.) -- by denying one arc of the stabilizing sway, the other arc has no countercircuit, but the same energy to dissipate and thus overcompensates -- and over we go.