Effects of Heart Rate Variability Biofeedback in Subjects with Stress-Related Chronic Neck Pain: A Pilot Study |
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Authors: | David M Hallman Erik M G Olsson Bo von Schéele Lennart Melin Eugene Lyskov |
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Institution: | 1. Centre for Musculoskeletal Research, University of G?vle, SE-801 76, G?vle, Sweden 2. Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden 3. Biopsychosocial Medicine AB, Uppsala, Sweden 4. School of Innovation, Design and Engineering, M?lardalen University, V?ster?s, Sweden 5. Department of Psychology, Uppsala University, Uppsala, Sweden
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Abstract: | Recent studies focusing on autonomic nervous system (ANS) dysfunctions, together with theoretical pathophysiological models
of musculoskeletal disorders, indicate the involvement of ANS regulation in development and maintenance of chronic muscle
pain. Research has demonstrated the effectiveness of heart rate variability (HRV) biofeedback (BF) in increasing HRV and reducing
the symptoms of different disorders characterized by ANS aberration. The study investigated the effects of resonance frequency
HRV BF on autonomic regulation and perceived health, pain, stress and disability in 24 subjects with stress-related chronic
neck-shoulder pain. Twelve subjects participated in 10 weekly sessions of resonant HRV BF and were compared to a control group.
Subjective reports and HRV measures during relaxation and in response to a standardized stress protocol were assessed for
both groups pre- and post-intervention. Group × time interactions revealed a significantly stronger increase over time in
perceived health (SF-36) for the treatment group, including vitality, bodily pain and social functioning. Interactions were
also seen for HRV during relaxation and reactivity to stress. The present pilot study indicates improvement in perceived health
over a 10 week intervention with HRV-biofeedback in subjects with chronic neck-pain. Increased resting HRV as well as enhanced
reactivity to hand grip and cold pressor tests might reflect beneficial effects on ANS regulation, and suggest that this intervention
protocol is suitable for a larger controlled trial. |
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