Single fiber electromyography (SFEMG) with intramuscular stimulation. Stimulating and recording electrodes are shown above. Examples of typical responses to direct muscle stimulation (low jitter) and axonal stimulation (jitter >4 μs) are shown below.
Reproduced with permission from: Stålberg E, Trontelj JV. Single fiber electromyography: Studies in healthy and diseased muscle, 2nd edition, Raven Press, New York 1994. Copyright © 1994 Lippincott Williams & Wilkins.
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