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Journal of the Korean Academy of Rehabilitation Medicine 1997;21(4):696-702.
The Effect of Transcutaneous Electrical Nerve Stimulation and Microcurrent on the Electrodiagnostic Study.
Yoon, Tae Sik , Lee, Dong Soo , Kim, Myung Shin
Department of Rehabilitation Medicine, Ewha Womans University College of Medicine, Korea.
경피적 전기신경자극과 미세전류자극이 전기생리학적 검사에 미치는 영향
윤태식, 이동수, 김명신
이화여자대학교 의과대학 재활의학과

Due to lack of evidences on the central and peripheral mechanisms of electrical stimulation in vivo, the purpose of this study was to investigate the influence of afferent stimuli, transcutaneous electrical nerve stimulation and microcurrent, on the electrodiagnostic study of normal subjects.

Electrodiagnostic study was performed before and after the application of afferent stimulion of the right popliteal fossa on 30 healthy female volunteers. After the transcutaneous electrical nerve stimulation, latencies of SEP, H-reflex, and F-wave, and H-amplitude changed significantly(p<0.01). After the microcurrent stimulation, latencies of SEP, H-reflex, and F-wave, and motor nerve conduction velocity changed significantly(p<0.01).

The results of this study prove that transcutaneous electrical nerve stimulation and microcurrent may cause changes of the anterior horn excitability and the conduction of the nervous system in vivo. Microcurrent may have a different mechanism of action compared to transcutaneous electrical nerve stimulation by having more localized inhibitory effects on the peripheral nerve. However, further investigation is needed to assess their mechanisms of action and the precise relevance of stimulation parameters.

Key Words: Transcutaneous electrical nerve stimulation, Microcurrent, Electrodiagnostic study


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