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Randomized Controlled Trial
. 2017 Sep;96(9):639-645.
doi: 10.1097/PHM.0000000000000728.

Responsiveness of Myofascial Trigger Points to Single and Multiple Trigger Point Release Massages: A Randomized, Placebo Controlled Trial

Albert F Moraska  1 , Sarah J Schmiege, John D Mann, Nathan Butryn, Jason P Krutsch
Affiliations
Randomized Controlled Trial

Responsiveness of Myofascial Trigger Points to Single and Multiple Trigger Point Release Massages: A Randomized, Placebo Controlled Trial

Albert F Moraska et al. Am J Phys Med Rehabil. 2017 Sep.

Abstract

Objective: This study aimed to assess the effects of single and multiple massage treatments on pressure-pain threshold (PPT) at myofascial trigger points (MTrPs) in people with myofascial pain syndrome expressed as tension-type headache.

Design: Individuals (n = 62) with episodic or chronic tension-type headache were randomized to receive 12 twice-weekly 45-min massage or sham ultrasound sessions or wait-list control. Massage focused on trigger point release (ischemic compression) of MTrPs in the bilateral upper trapezius and suboccipital muscles. PPT was measured at MTrPs with a pressure algometer pre and post the first and final (12th) treatments.

Results: PPT increased across the study timeframe in all four muscle sites tested for massage, but not sham ultrasound or wait-list groups (P < 0.0001 for suboccipital; P < 0.004 for upper trapezius). Post hoc analysis within the massage group showed (1) an initial, immediate increase in PPT (all P values < 0.05), (2) a cumulative and sustained increase in PPT over baseline (all P values < 0.05), and (3) an additional immediate increase in PPT at the final (12th) massage treatment (all P values < 0.05, except upper trapezius left, P = 0.17).

Conclusions: Single and multiple massage applications increase PPT at MTrPs. The pain threshold of MTrPs have a great capacity to increase; even after multiple massage treatments additional gain in PPT was observed.

To claim cme credits: Complete the self-assessment activity and evaluation online at http://www.physiatry.org/JournalCME CME OBJECTIVES: Upon completion of this article, the reader should be able to: (1) Understand the contribution of myofascial trigger points to myofascial pain; (2) Describe an effective treatment for decreasing tenderness of a myofascial trigger point; and (3) Discuss the relative values of single vs. multiple massage sessions on increasing pressure-pain thresholds at myofascial trigger points.

Level: Advanced ACCREDITATION: The Association of Academic Physiatrists is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians.The Association of Academic Physiatrists designates this Journal-based CME activity for a maximum of 0.5 AMA PRA Category 1 Credit(s)™. Physicians should only claim credit commensurate with the extent of their participation in the activity.

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Conflict of interest statement

The authors declare no conflicts of interest or competing financial interests. The trial is registered at ClinicalTrials.gov, number NCT01244555.

Figures

Figure 1
Figure 1
Trigger point release technique and pressure-pain threshold (PPT) assessment on the suboccipital muscle (A & C) and the upper trapezius muscle (B & D).
Figure 2
Figure 2
Representative depiction of pressure-pain threshold (PPT) across study time frame. Data are presented for right side suboccipital muscles. Pre- and Post- designation indicates assessment conducted relative to the first or twelfth intervention session, or time-matched for wait-list group. Data are presented as mean ± standard deviation.
See this image and copyright information in PMC

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