Accepted Manuscript “Dry Needling Alters Trigger Points in the Upper Trapezius Muscle and Reduces Pain in Subjects with Chronic Myofascial Pain” Lynn H. Gerber, MD, Jay Shah, MD, William Rosenberger, PhD, Kathryn Armstrong, DPT, Diego Turo, PhD, Paul Otto, BS, Juliana Heimur, BS, Nikki Thaker, BS, Siddhartha Sikdar, PhD PII:

S1934-1482(15)00052-0

DOI:

10.1016/j.pmrj.2015.01.020

Reference:

PMRJ 1423

To appear in:

PM&R

Received Date: 20 September 2014 Revised Date:

13 January 2015

Accepted Date: 18 January 2015

Please cite this article as: Gerber LH, Shah J, Rosenberger W, Armstrong K, Turo D, Otto P, Heimur J, Thaker N, Sikdar S, “Dry Needling Alters Trigger Points in the Upper Trapezius Muscle and Reduces Pain in Subjects with Chronic Myofascial Pain”, PM&R (2015), doi: 10.1016/j.pmrj.2015.01.020. This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

ACCEPTED MANUSCRIPT

Running Head: Dry Needling for Myofascial Pain Title:

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“Dry Needling Alters Trigger Points in the Upper Trapezius Muscle and Reduces Pain in Subjects with Chronic Myofascial Pain”.

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Authors:

Lynn H. Gerber, Jay Shah, William Rosenberger, Kathryn Armstrong, Diego Turo, Paul

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Otto, Juliana Heimur, Nikki Thaker, Siddhartha Sikdar

Authors:

Corresponding Author: Lynn H. Gerber, MD, Center for the Study of Chronic Illness and Disability, George Mason University, Fairfax, VA 22030

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Jay Shah, MD, Rehabilitation Medicine Department, Clinical Center, National Institutes of Health, Bethesda, MD 20892

VA 22030

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William Rosenberger, PhD, Department of Statistics, George Mason University, Fairfax,

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Kathryn Armstrong, DPT, Center for the Study of Chronic Illness and Disability, George Mason University, Fairfax, VA 22030 Diego Turo PhD, Department of Bioengineering, George Mason University, Fairfax, VA 22030

Paul Otto BS, Department of Bioengineering, George Mason University, Fairfax, VA 22030

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Juliana Heimur, BS, Rehabilitation Medicine Department, Clinical Center, National Institutes of Health, Bethesda, MD 20892

Institutes of Health, Bethesda, MD 20892

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Nikki Thaker, BS, Rehabilitation Medicine Department, Clinical Center, National

Siddhartha Sikdar, PhD, Department of Bioengineering, George Mason University,

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Fairfax, VA 22030

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Funding for this study was received from the National Institute of Arthritis, Musculoskeletal and Skin Diseases of the National Institutes of Health: 1R01AR057348

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Running Head: Dry Needling for Myofascial Pain

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Blind Title: “Dry Needling Alters Trigger Points in the Upper Trapezius Muscle and Reduces Pain in

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Subjects with Chronic Myofascial Pain”.

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ACCEPTED MANUSCRIPT

ABSTRACT:

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Objective:

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To determine whether dry needling of an active myofascial trigger point (MTrP) reduces pain

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and alters the status of the trigger point to either a non-spontaneously tender nodule or its

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resolution.

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Design:

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A prospective, non-randomized, controlled interventional clinical study

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Setting:

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University campus

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Participants

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Fifty-six subjects with neck or shoulder girdle pain > 3 months duration and active MTrPs were

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recruited from a campus-wide, volunteer sample. Fifty-two completed the study (23 male/33

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female) with mean age of 35.8 years.

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Interventions

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Three weekly dry needling treatments of a single active MTrP

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Main Outcome Measures

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Primary Outcomes: Baseline and post treatment evaluations of pain using the verbal analogue

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scale, the Brief Pain Inventory and the status of the MTrP as determined by digital palpation.

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Trigger points were rated: active (spontaneously painful), latent (requiring palpation to reproduce

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the characteristic pain) and resolved (no palpable nodule).

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Secondary Outcomes: Profile of Mood States, Oswestry Disability Index, Short Form 36,

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Cervical Range of Motion.

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Results

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ACCEPTED MANUSCRIPT

Primary outcomes: 41 subjects had a change in trigger point status from active to latent or

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resolved; and 11 had no change (p < .001). Reduction in all pain scores was significant (p

Dry Needling Alters Trigger Points in the Upper Trapezius Muscle and Reduces Pain in Subjects With Chronic Myofascial Pain.

To determine whether dry needling of an active myofascial trigger point (MTrP) reduces pain and alters the status of the trigger point to either a non...
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