Japanese Journal of Clinical Neurophysiology
Online ISSN : 2188-031X
Print ISSN : 1345-7101
ISSN-L : 1345-7101
Original Article
Interdecadal changes of nerve conduction studies of lower limb in healthy Japanese subjects
Fumiko HirashimaToshio ShimizuKiyomi KoikeTatsuya AbeTetsuo Komori
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JOURNAL FREE ACCESS

2019 Volume 47 Issue 6 Pages 519-525

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Abstract

In Japan, it was well known that the compound muscle action potential (CMAP) of the extensor digitorum brevis (EDB) muscle with fibular nerve stimulation could not be often obtained in normal subjects. It is suggested there is subclinical fibular nerve palsy due to the Japanese traditional “floor sitting” lifestyle, but there have been no corroborative studies. We received the nerve conduction study results in 139 healthy Japanese subjects without neurological deficits, which were recorded from 1985 to 2015. CMAP amplitudes from fibular nerve and tibial nerve stimulations in 1985 showed lower than that in 2005 and in 2015. These amplitudes is not demonstrated a relationship with BMI and body height. We considered the interdecadal changes were due to change in our lifestyle.

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© 2019 Japanese Society of Clinical Neurophysiology
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