Diagnostic yield of the analysis of the pattern of electrical activity of muscle and of individual motor unit potentials in neurogenic involvement.

@article{FuglsangFrederiksen1977DiagnosticYO,
  title={Diagnostic yield of the analysis of the pattern of electrical activity of muscle and of individual motor unit potentials in neurogenic involvement.},
  author={Anders Fuglsang-Frederiksen and U Scheel and Fritz Buchthal},
  journal={Journal of neurology, neurosurgery, and psychiatry},
  year={1977},
  volume={40 6},
  pages={544-54}
}
The pattern of electrical activity and the properties of individual motor unit potentials were analysed in the flexor muscles of the forearm of 15 patients with motor neurone disease and 15 patients with a lesion of the brachial plexus. The best diagnostic yield from the pattern of electrical activity was obtained when the force was 30% of maximum: The number of spikes (turns/15 s) was diminished in 70% of the patients; none showed the increase in turns characteristic of myopathy. The decrease… CONTINUE READING