Simulation Techniques in Electromyography

作者: Sanjeev D. Nandedkar , Erik V. Stalberg , Donald B. Sanders

DOI: 10.1109/TBME.1985.325493

关键词:

摘要: A motor unit action potential (MUAP) recorded in clinical electromyography (EMG) is the spatial and temporal summation of potentials (AP's) from all muscle fibers a (MU). An important determinant MUAP waveform characteristics size recording electrode. In this paper, we have described use modified line source model single fiber to simulate MUAP's as by (SF) EMG, concentric needle (CN) macro-EMG electrodes. Results indicate that SFEMG recordings normal MU contain mainly AP's closest one three MU. The amplitude, area, duration simulated CNEMG are determined number within semicircular territory 0.5, 1.5, 2.5 mm, respectively, around tip amplitude area increase with

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