スポーツ競技者の尺骨神経伝導速度 : 剣道,バドミントン,ソフトテニス競技者と一般群との比較

概要

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We investigated some effects of training on motor nerve conduction velocity (MCV) and distribution of motor nerve conduction velocity (DMCV) by measuring MCV and DMCV of athletes and nonathletes. Using the collision method, MCV and DMCV where measured from the ulnar nerve in the forearm and the action potential measured from the abductor digiti minimi muscle in 20 athletes and 7 nonathletes. Our experiments obtained the following results; 1) MCV of dominant limbs in kendo and badminton players was faster than that in nonathletes. 2) DMCVpeak of dominant limbs in kendo and badminton players was faster than that in nonathletes. (3) DMCVpeak of dominant limbs was faster than that of nondominant limbs in kendo players. 4) A positive correlation was found between MCV and DMCVpeak. We conclude that long-term training influences not only MCV but also DMCV.
1995-08-31