Document Type : Original Articles


Department of Physiotherapy, School of Rehabilitation Sciences, Shiraz University of Medical Sciences, Shiraz, Iran


Background: Proprioceptive inputs from the cervical region play an important role in balance. In patients with tension-type headache (TTH), proprioception is altered. The effect of treatment for TTH on balance is unclear. The aim of this study was to evaluate the effectiveness of post-isometric relaxation (PIR) in the neck muscles on pain, disability and balance in patients with TTH.Methods: 30 patients with chronic TTH who had a trigger point and tenderness in the upper trapezius, sternocleidomastoid (SCM), suboccipitalor splenius muscles were enrolled in the study. The patients underwent PIR based on Liebenson’s method. Before and after treatment, balancewas evaluated with the Y balance test, time up and go test, functional reach test and single leg stance test. As clinical symptoms of TTH we considered the intensity and frequency of headaches,which were recorded along with neck disability index (NDI)assecondary outcomes. Paired t-tests were used to analyze the data.Results:The results of the Y balance test, time up and go test, functional reach test and single leg stance test changed significantly after treatment (P< 0.001). Significant differences were also found forall secondary variables (P < 0.001).Conclusions:The results of this study showed that the PIR technique for muscle relaxation in the upper trapezius, SCM, suboccipitalor splenius muscles may improve balance along with clinical symptoms such as pain and disabilityin patients with TTH.


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