Quantitative Comparison pf the Effect of Reference Electrode Position in Evoke Compond Muscle Action Potential

Authors

Huann Chang
Rai-Chi Chen
Tao-Chang Hsu

Translated Title

參考電極的位置對於誘發復合肌肉動作電位之影響的定量分析

Abstract

The purpose of this study is to quantitatively compariso of the influence of different reference electrode position on the amplitude, surface area, latency and duration of CMAP during routine NCV studies in radial, ulnar and median nerves. All of these CMAP signals were sent to computer for analysis. The data revealed;(1)In median nerve examination, the surface area and amplitude decreased markedly (p＜0.05 & p＜0.02) when the reference electrode was shifted from MP joint to IP joint of the thumb. (2)In radial nerve study, reference electrode in wrist position has the largest surface area & amplitude, while 1/2 between wrist and active recording showed the smallest surface area and amplitude, (p＜0.01) and duration(p＜0.02). (3)Inulnar verve, there was no significant statistical difference in amplitude, surface area, latency & duration with the reference electrode at MP joint and DIP joint of the little finger.

Language

Traditional Chinese

First Page

1

Last Page

5

Recommended Citation

Chang, Huann; Chen, Rai-Chi; and Hsu, Tao-Chang (1985) "Quantitative Comparison pf the Effect of Reference Electrode Position in Evoke Compond Muscle Action Potential," Rehabilitation Practice and Science: Vol. 13: Iss. 1, Article 1.
DOI: https://doi.org/10.6315/3005-3846.1672
Available at: https://rps.researchcommons.org/journal/vol13/iss1/1