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  • Title: The influence of Positional Release Therapy on the myofascial trigger points of the upper trapezius muscle in computer users.
    Author: Mohammadi Kojidi M, Okhovatian F, Rahimi A, Baghban AA, Azimi H.
    Journal: J Bodyw Mov Ther; 2016 Oct; 20(4):767-773. PubMed ID: 27814857.
    Abstract:
    OBJECTIVE: The purpose of the present study was to investigate the effect of Positional Release Therapy (PRT) in computer users via latent trigger points (LTrPs) of the upper trapezius muscle. MATERIALS AND METHODS: Twenty-eight women with the upper trapezius MTrPs participated in this study. Subjects were randomly classified into two groups (14 in each group): the subjects in the Group 1 received PRT in shortened position while those in the group 2 received sham control in the neutral position of the upper trapezius muscle. They received three therapy sessions every other day for one week. The local pain intensity and Pressure pain threshold (PPT) were measured via Visual Analogue Scale (VAS) and algometry, respectively, before interventions and repeated 5 min after the first and third treatment sessions in each group. RESULTS: One-way ANOVA was used for data analysis. After treatment, between groups comparison revealed that for PPT and VAS, there were significant differences between the two groups (VAS and PPT; P < 0.05). CONCLUSION: Both groups (PRT and sham control) showed alleviation of pain and increase in PPT during three sessions of therapy although PRT showed to be more effective in these patients.
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