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Study aim
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Comparison between immediate effect of Superficial and Deep Dry Needling on Surface Electromyography in women with Upper Trapezius Active Myofascial Trigger Points
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Design
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Quasi-experimental and double-blinded randomized clinical trials
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Settings and conduct
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A study is conducted at the Physiotherapy Clinic of the Faculty of Rehabilitation, Isfahan University of Medical Sciences. In this study, participants select from women with unilateral neck or shoulder pain with at least one active myofascial trigger point in the upper trapezius muscle and then randomly divided into superficial and deep dry needling group. After completing the consent form and the initial assessment, the participants based on their group, will receive one session dry needling.It should be noted that both the evaluator and participants are blind to the therapeutic groups.
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Participants/Inclusion and exclusion criteria
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Inclusion criteria: literate women 18 to 50 years, unilateral neck or shoulder pain with at least one active myofascial trigger point in the upper trapezius muscle for at least 3 months, not receiving analgesic therapy by patients.
Exclusion criteria: fear of dry needling, local and systematic infection, people with fibromyalgia and neck osteoarthritis, people who used anticoagulant drugs, acute muscle trauma, history of neck or shoulder surgery, history of receiving dry needling at last 6 months, receiving physical therapy in the past month, dry needling contraindications like pregnancy, allergy, existence of implants and pacemakers
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Intervention groups
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For first group, deep needle inserted into myofascial trigger point with 10 times in and out movement and for second group the superficial needle inserted into superficial tissue above the myofascial trigger point and kept in for 2 to 3 minutes.
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Main outcome variables
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Surface Electromyography activity