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Neck/shoulder function in tension-type headache patients and the effect of strength training

Authors Madsen BK, Søgaard K, Andersen LL, Skotte J, Tornøe B, Jensen RH

Received 11 July 2017

Accepted for publication 2 November 2017

Published 23 February 2018 Volume 2018:11 Pages 445—454

DOI https://doi.org/10.2147/JPR.S146050

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Lucy Goodman

Peer reviewer comments 3

Editor who approved publication: Dr Katherine Hanlon


Bjarne K Madsen,1 Karen Søgaard,2,3 Lars L Andersen,4 Jørgen Skotte,4 Birte Tornøe,5 Rigmor H Jensen1

1Danish Headache Center, Department of Neurology, University of Copenhagen, Rigshospitalet-Glostrup, Glostrup, 2Institute of Sports Science and Clinical Biomechanics, Physical Activity and Health in Work Life University of Southern Denmark, Odense, 3Department of Clinical research, University of Southern Denmark, Odense, 4National Research Centre for the Working Environment, Copenhagen, Denmark; 5Department of Health Sciences, Lund University, Lund, Sweden

Introduction: Muscle pain has been associated with reduced maximal muscle strength, and reduced rate of force development (RFD). Strength training (ST) has shown an effect in not only normalizing muscle function but also reducing neck muscle pain.
Aim: The aims of this study were to compare muscle function in terms of strength, force steadiness in neck flexion, as well as extension, and rate of RFD of the shoulder in tension-type headache (TTH) patients and healthy controls and to examine the correlation to tenderness. Furthermore, the aim of the study was to examine the effect of ST on neck and shoulder functions in TTH patients.
Participants and methods: In all, 60 TTH patients and 30 sex- and age-matched healthy controls were included for a case–control comparison. The 60 patients with TTH were randomized into an ST and an ergonomic and posture correction (EP) control group. The ST group trained for 10 weeks with elastic bands.
Results: TTH patients had a lower extension force steadiness with a significant 15% higher coefficient of variation (CoV) compared to healthy controls (p=0.047). A significantly lower RFD (25%) was noted in the TTH group than in the healthy controls (p=0.031). A significant (p<0.01) and moderate correlation to muscle tenderness was found. In the intervention, 23 patients completed ST and 21 patients completed EP. No significant between-group effect was observed, but at 22 weeks follow-up, both groups had a significant within-group effect of improved extension force steadiness (ST: p=0.011 and EP: p<0.01).
Conclusion: TTH patients showed a deteriorated muscle function, indicated by a lower force steadiness and RFD, compared to the healthy controls. The effect of ST was not larger than EP as both groups of TTH patients showed some improvement in neck and shoulder functions during the 10 weeks intervention and at follow-up. Future interventions are needed to elucidate if normalization of muscle function can lead to a reduction in headache.

Keywords: tension-type headache, force steadiness, rate of force development, strength training, ergonomic, posture correction

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