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Effects of static contraction and cold stimulation on cardiovascular autonomic indices, trapezius blood flow and muscle activity in chronic neck-shoulder pain
University of Gävle, Centre for Musculoskeletal Research. University of Gävle, Faculty of Health and Occupational Studies, Department of Occupational and Public Health Sciences.ORCID iD: 0000-0002-2741-1868
Dept of biomedical engineering, Linköping University.
division of public health and caring sciences, Uppsala university.
University of Gävle, Centre for Musculoskeletal Research. University of Gävle, Faculty of Health and Occupational Studies, Department of Occupational and Public Health Sciences.
2011 (English)In: European Journal of Applied Physiology, ISSN 1439-6319, E-ISSN 1439-6327, Vol. 111, no 8, 1725-1735 p.Article in journal (Refereed) Published
Abstract [en]

The aim of the present study was to investigate reactions in trapezius muscle blood flow (MBF), muscle activity, heart rate variability (HRV) and systemic blood pressure (BP) to autonomic tests in subjects with chronic neck-shoulder pain and healthy controls. Changes in muscle activity and blood flow due to stress and unfavourable muscle loads are known underlying factors of work-related muscle pain. Aberration of the autonomic nervous system (ANS) is considered a possible mechanism. In the present study, participants (n = 23 Pain, n = 22 Control) performed autonomic tests which included a resting condition, static hand grip test (HGT) at 30% of maximal voluntary contraction, a cold pressor test (CPT) and a deep breathing test (DBT). HRV was analysed in time and frequency domains. MBF and muscle activity were recorded from the upper trapezius muscles using photoplethysmography and electromyography (EMG). The pain group showed reduced low frequency-HRV (LF) and SDNN during rest, as well as a blunted BP response and increased LF-HRV during HGT (∆systolic 22 mm Hg; ∆LF(nu) 27%) compared with controls (∆systolic 27; ∆LF(nu) 6%). Locally, the pain group had attenuated trapezius MBF in response to HGT (Pain 122% Control 140%) with elevated trapezius EMG following HGT and during CPT. In conclusion, only HGT showed differences between groups in systemic BP and HRV and alterations in local trapezius MBF and EMG in the pain group. Findings support the hypothesis of ANS involvement at systemic and local levels in chronic neck-shoulder pain.

Place, publisher, year, edition, pages
springer , 2011. Vol. 111, no 8, 1725-1735 p.
Keyword [en]
Muscle pain, sympathetic, heart rate variability, PPG, electromyography
National Category
Environmental Health and Occupational Health
Identifiers
URN: urn:nbn:se:hig:diva-8748DOI: 10.1007/s00421-010-1813-zISI: 000293980000019Scopus ID: 2-s2.0-80053914620OAI: oai:DiVA.org:hig-8748DiVA: diva2:412819
Note

Corrigendum to: "Effects of static contraction and cold stimulation on cardiovascular autonomic indices, trapezius blood flow and muscle activity in chronic neck–shoulder pain". European Journal of Applied Physiology, August 2011, Volume 111, Issue 8, p 1737. DOI: 10.1016/j.psyneuen.2012.01.012

In the original publication of this article, the mean values of SDNN during baseline in Table 2 should be corrected from 383 to 38 (pain group) and 492 to 49 (control group) and there is a misleading reference in the Method section under Measurement subheading Pain. The first sentence reference should be corrected from ‘‘The Borg CR-10 scale (Vernon and Mior 991)’’ to ‘‘The Borg CR-10 scale (Borg 1998)’’.

DOI 10.1007/s00421-010-1813-z

Available from: 2011-04-26 Created: 2011-04-26 Last updated: 2017-04-10Bibliographically approved

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