Document Detail

Temporal summation of heat pain modulated by isometric exercise.
MedLine Citation:
PMID:  23239238     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Little is known about the effects of isometric exercise on temporal summation of heat pain. Thus, the purposes of study 1 and study 2 were to examine the influence of exhaustive and non-exhaustive isometric exercise on temporal summation of heat pain in men and women.
METHODS: Forty-four men and 44 women (mean age = 20 years) completed an informed consent document and a packet of questionnaires. Ten heat pulses were applied to the thenar eminence of the dominant hand using a standardized temporal summation protocol. Participants rated the intensity of the heat pulses using a 0-100 pain rating scale before and following isometric exercise consisting of squeezing a hand dynamometer at 40% of maximal voluntary contraction (MVC) to exhaustion (exhaustive exercise, study 1) and at 25% MVC for 3 min (non-exhaustive exercise, study 2). Muscle pain and perceived exertion were rated every 30 s during exercise using validated rating scales. The data were analysed with repeated measures analysis of variance.
RESULTS: The results indicated there were no sex differences (p > 0.05) in time to exhaustion (study 1), muscle pain or perceived exertion (studies 1 and 2). There was a significant reduction (p < 0.05) in temporal summation ratings following isometric exercise for men and women in both study 1 and study 2.
CONCLUSION: It is concluded that exhaustive and non-exhaustive isometric exercise significantly reduced temporal summation of heat pain in men and women.
K F Koltyn; M T Knauf; A G Brellenthin
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't     Date:  2012-12-14
Journal Detail:
Title:  European journal of pain (London, England)     Volume:  17     ISSN:  1532-2149     ISO Abbreviation:  Eur J Pain     Publication Date:  2013 Aug 
Date Detail:
Created Date:  2013-07-03     Completed Date:  2014-03-19     Revised Date:  2014-08-05    
Medline Journal Info:
Nlm Unique ID:  9801774     Medline TA:  Eur J Pain     Country:  England    
Other Details:
Languages:  eng     Pagination:  1005-11     Citation Subset:  IM    
Copyright Information:
© 2012 European Federation of International Association for the Study of Pain Chapters.
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MeSH Terms
Exercise / physiology*
Hand / physiology
Hot Temperature / adverse effects*
Isometric Contraction / physiology*
Muscle, Skeletal / physiology
Pain / physiopathology*
Pain Measurement / methods
Pain Threshold / physiology
Sex Characteristics*
Young Adult
Grant Support

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