What are the differences between a neuropathic pattern and myopathic pattern during an EMG evaluation of a maximal effort contraction?
What will be an ideal response?
A neuropathic pattern is determined based on an inability to fill up the screen with electrical activity. Individual motor unit potentials can be seen since there is a lack of intact motor neurons to create a full interference pattern. A myopathic pattern will have a low level interference pattern since there is a normal amount of motor neurons but a reduction of muscle fibers within the intact motor units.
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