Tibial nerve biomechanics in diabetes

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Altered tibial nerve biomechanics in patients with diabetes mellitus
Benjamin S. Boyd, Andrew Dille
Muscle & Nerve; Accepted Article

 

What is the definition of 'Nerve longitudinal excursion'? Is it the range of sliding of the nerve over a certain point of interest on the limb relative to a standard reference position?

Cheers Dave Smith

 

Dave, I suspect it has to do with what was mentioned in this thread re tarsal tunnel syndrome:
Tarsal tunnel volume and foot position
Tarsal tunnel syndrome in diabetic neuropathy

 

I agree, if nerve excursion is the relative range of sliding (ooh can I make an acronym - RRS) then of course entrapment of the nerve will restrict sliding and reduce RRS. So if the sliding is restricted then the nerve will stretch instead and the diameter will reduce as the nerve stretches and so the stress will significantly increase. It would seem to be reasonable to assume that it is one of these changes that causes peripheral neuropathy rather than the mere fact of reduced RRS.

Thanks Dave