Shivering and pathological and physiological clonic oscillations of the human ankle

R. S. Pozos, P. A. Iaizzo

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Shivering and physiological and pathological clonus of the ankle were compared using power spectral and cross-correlation analysis of their respective electromyographic and acceleration waveforms. The major spectral peaks from each type of involuntary oscillation possessed similar frequencies (5-7 Hz). Soleus electromyographic activity was significantly correlated with the motion signal, whereas no correlation was observed between motion and tibialis anterior electromyographic signal. These data suggest that although shivering and physiological and pathological clonus are activated by different stimuli, these overt ankle oscillations may be an expression of a common spinal neuronal network.

Original languageEnglish (US)
Pages (from-to)1929-1932
Number of pages4
JournalJournal of applied physiology
Volume71
Issue number5
StatePublished - Jan 1 1991

Keywords

  • acceleration
  • cross-correlation analysis
  • electromyographs
  • power spectrum

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