Is it at all surprising that increasing afferent input (in this case: textured insoles) to one of the areas in the brain (parasaggital sulcus in the post central gyrus) from one of the structures that has the greatest cortical representation (ie the feet) can improve gait on folks that have a disorder with their basal ganglia (which provides . . .
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When it comes to needling and exercise, proprioception is King.
What is proprioception? It is body position awareness; ie: knowing what your limbs are doing without having to look at them. We talk about this all the time in our seminars. Some studies use specific points, others general ones, but they boil down to "needling improves . . .