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A method for detcting functional weakness
  1. Aj Mccomas,
  2. S Kereshi,
  3. J Quinlan
  1. Division of Neurology, Department of Medicine, McMaster University, Hamilton, Ontario, Canada


    A simple electrophysiological method is described for detecting weaknes of psychiatric origin. The method involves the interpolation of a single indirect stimulus to a muscle during the course of a supposedly maximal voluntary contraction. Incomplete motor activation is revealed by the presence of a twitch superimposed on the recording of voluntary torque.

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