PMID: 11336904May 5, 2001Paper

Simulation of EMG in pathological situations

Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology
E Stålberg, Lars Karlsson

Abstract

A mathematical model for simulation of the EMG from a muscle with its motor units is used. The study aims at correlating EMG findings (single-fiber EMG and concentric-needle EMG) with various induced morphological changes. Reinnervation has been simulated by removing motor units randomly followed by a complete reinnervation from adjacent surviving motor units. Fibre type grouping and grouped atrophy can be seen. Myopathy is simulated by increased fibre diameter variation, loss of fibres and muscle fibre splitting. The simulation gives quantitative aspects of the importance of each of these factors. It indicates the relative sensitivity of various EMG parameters. The model can be used both for education and for research.

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Citations

Aug 26, 2009·Medical & Biological Engineering & Computing·Javier NavallasIgnacio Rodriguez
May 22, 2010·Medical & Biological Engineering & Computing·Rok IstenicDamjan Zazula
Jun 11, 2010·Medical & Biological Engineering & Computing·Javier NavallasIgnacio Rodríguez
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