Abstract

In this study, human median nerve was exposed to power frequency magnetic fields in order to provide clarification for possibly changeable nerve conduction mechanism. The nerve was exposed to 50 Hz magnetic field by utilizing a special Helmholtz applicator. The experiments were carried out with six healthy human-volunteers. Median motor distal amplitude/proximal amplitude ratios were recorded from adult human median nerve pre-exposure, during, and post-exposure to a 50 Hz, 1 mT magnetic field. The result of 18 measurements shows that median motor distal amplitude/proximal amplitude ratio significantly decreases in pre-exposure state as compare to post exposure of which. The results of this study may be useful for some nerve rehabilitation, excitation, and stimulation in more effective/safe physical therapy. Additionally, 50 Hz, 1 mT sinusoidal magnetic field should not be recognizing as safe for conduction mechanism on a nerve. These mechanisms would be cleared by new advanced engineering models in other future works.

Highlights

  • With the increasing use of magnetic fields in recent five decades, the health effects of nonionized electromagnetic radiation is an important investigation subject

  • The purpose of this study is to evaluate the effect of 50 Hz-1 mT magnetic field on human median motor nerve conduction parameters

  • Interaction of static extremely low frequency electric and magnetic field with living system: Health Effects and Research Need, Bioelectromagnetic

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Summary

50 Hz-1 mT Manyetik Alanın İnsan Medyan Siniri Üzerine Etkisi

Özlem COŞKUN a,*, Selçuk ÇÖMLEKÇİ b, Hasan Rıfat KOYUNCUOĞLU c ve Suat ÖZKORUCUKLU d a Süleyman Demirel Üniversitesi, Teknik Bilimler MYO, Biyomedikal Cihaz Teknolojisi Bölümü, 32260, Isparta b Süleyman Demirel Üniversitesi, Müh.-Mim. Fakültesi, Elek. Ve Hab. Mühendisliği Bölümü, 32260, Isparta c Süleyman Demirel Üniversitesi, Tıp Fakültesi, Nöroloji Anabilim Dalı, 32260, Isparta d Süleyman Demirel Üniversitesi, Fen-Edebiyat Fakültesi, Fizik Bölümü, 32260, Isparta. ÖZET İyonize olmayan elektromanyetik radyasyonun insan sağlığı üzerindeki etkileri, son elli yılda manyetik alanların kullanım alanının genişlemesi ile birlikte, büyük bir araştırma konusu olmuştur. Bununla beraber yapılan deneysel ve teorik çalışmaların sonucunda, manyetik alanların insan sağlığı üzerindeki etkileri konusunda kayda değer bulgular elde edilmiştir. Insan medyan motor sinir ileti çalışmalarında elde edilen parametrelere, 50 Hz-1 mT manyetik alanın etkisini incelemektir. Anahtar kelimeler : Manyetik alan, Medyan sinir, Motor distal genlik, Motor proksimal genlik

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