Low intensity pain reported during elicitation of the H-reflex: No effects of trait anxiety and high intensity cycling exercise

Robert W. Motl, Patrick J. O'Connor, Charles M. Boyd, Rod K. Dishman

Research output: Contribution to journalArticlepeer-review

Abstract

The aims of the experiment were to describe the intensity of pain perceptions experienced in response to elicitation of the H-reflex and examine the roles of trait anxiety and high intensity cycling exercise on those pain responses. Males (n=24) with high (n=12) or low (n=12) trait anxiety provided ratings of pain intensity in response to elicitation of the H-reflex before and after: resting for 20 min, cycling for 20 min at a high intensity (75% of peak oxygen consumption), or cycling for 20 min at a low intensity (40% of peak oxygen consumption). The results indicated that (i) low intensity pain was experienced during the elicitation of the H-reflex; (ii) high trait anxious males did not report more pain during the elicitation of the H-reflex, and (iii) there was no effect of high intensity cycling exercise on reducing post-exercise pain intensity associated with H-reflex elicitation. It is concluded that elicitation of the H-reflex reliably results in a low intensity pain.

Original languageEnglish (US)
Pages (from-to)53-58
Number of pages6
JournalBrain Research
Volume951
Issue number1
DOIs
StatePublished - Sep 27 2002

Keywords

  • Anxiety
  • Electrical stimulation
  • Hoffmann reflex
  • Pain
  • Physical activity

ASJC Scopus subject areas

  • Neuroscience(all)
  • Molecular Biology
  • Clinical Neurology
  • Developmental Biology

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