The prevalence of latent myofascial trigger points and diagnostic criteria of the triceps surae and upper trapezius

a cross sectional study

Rob Grieve, Sue Barnett, Nikki Coghill, Fiona Cramp

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Objectives

To determine the prevalence of latent myofascial trigger points (MTrPs), specific diagnostic criteria and the association between gender and MTrP prevalence in the triceps surae and upper trapezius.
Design

Cross-sectional study.
Setting

University, Faculty of Health and Life Sciences.
Participants

Two hundred and twenty healthy volunteers (132 females and 88 males; mean age 29.7 (SD 11.0).
Interventions

Not applicable.
Main outcome measures

Prevalence of latent MTrPs in the triceps surae and comparative upper trapezius; specific diagnostic criteria and pressure pain threshold (PPT).
Results

Latent MTrPs were prevalent in all triceps surae (range: 13 to 30%), left upper trapezius (23%) and right upper trapezius (20%). No MTrPs (0%) identified in the middle fibres of deltoid. For each specific diagnostic criterion, taut bands were most prevalent in the right gastrocnemius medial head (81%); tender spot in left gastrocnemius medial head (52%) and nodules in the right upper trapezius (35%). Local twitch response (0.5%), the least frequent diagnostic criterion was only found in the left gastocnemius medial head. A significant increase in latent MTrP prevalence for females compared to males in five of the six triceps surae MTrP sites, with no significant association for gender and latent MTrP prevalence in the left or right upper trapezius.
Conclusions

This study established the prevalence of latent MTrPs, specific diagnostic criteria and baseline normative data in the triceps surae. The middle fibres of deltoid were identified as a potential MTrP control site for future clinical research in the upper limb.
Original languageEnglish
Pages (from-to)278-284
JournalPhysiotherapy
Volume99
Issue number4
Early online date8 Jul 2013
DOIs
Publication statusPublished - Dec 2013

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Trigger Points
Superficial Back Muscles
Cross-Sectional Studies
Pain Threshold
Biological Science Disciplines
Upper Extremity
Healthy Volunteers
Outcome Assessment (Health Care)

Cite this

The prevalence of latent myofascial trigger points and diagnostic criteria of the triceps surae and upper trapezius : a cross sectional study. / Grieve, Rob; Barnett, Sue; Coghill, Nikki; Cramp, Fiona.

In: Physiotherapy, Vol. 99, No. 4, 12.2013, p. 278-284.

Research output: Contribution to journalArticle

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abstract = "ObjectivesTo determine the prevalence of latent myofascial trigger points (MTrPs), specific diagnostic criteria and the association between gender and MTrP prevalence in the triceps surae and upper trapezius.DesignCross-sectional study.SettingUniversity, Faculty of Health and Life Sciences.ParticipantsTwo hundred and twenty healthy volunteers (132 females and 88 males; mean age 29.7 (SD 11.0).InterventionsNot applicable.Main outcome measuresPrevalence of latent MTrPs in the triceps surae and comparative upper trapezius; specific diagnostic criteria and pressure pain threshold (PPT).ResultsLatent MTrPs were prevalent in all triceps surae (range: 13 to 30{\%}), left upper trapezius (23{\%}) and right upper trapezius (20{\%}). No MTrPs (0{\%}) identified in the middle fibres of deltoid. For each specific diagnostic criterion, taut bands were most prevalent in the right gastrocnemius medial head (81{\%}); tender spot in left gastrocnemius medial head (52{\%}) and nodules in the right upper trapezius (35{\%}). Local twitch response (0.5{\%}), the least frequent diagnostic criterion was only found in the left gastocnemius medial head. A significant increase in latent MTrP prevalence for females compared to males in five of the six triceps surae MTrP sites, with no significant association for gender and latent MTrP prevalence in the left or right upper trapezius.ConclusionsThis study established the prevalence of latent MTrPs, specific diagnostic criteria and baseline normative data in the triceps surae. The middle fibres of deltoid were identified as a potential MTrP control site for future clinical research in the upper limb.",
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N2 - ObjectivesTo determine the prevalence of latent myofascial trigger points (MTrPs), specific diagnostic criteria and the association between gender and MTrP prevalence in the triceps surae and upper trapezius.DesignCross-sectional study.SettingUniversity, Faculty of Health and Life Sciences.ParticipantsTwo hundred and twenty healthy volunteers (132 females and 88 males; mean age 29.7 (SD 11.0).InterventionsNot applicable.Main outcome measuresPrevalence of latent MTrPs in the triceps surae and comparative upper trapezius; specific diagnostic criteria and pressure pain threshold (PPT).ResultsLatent MTrPs were prevalent in all triceps surae (range: 13 to 30%), left upper trapezius (23%) and right upper trapezius (20%). No MTrPs (0%) identified in the middle fibres of deltoid. For each specific diagnostic criterion, taut bands were most prevalent in the right gastrocnemius medial head (81%); tender spot in left gastrocnemius medial head (52%) and nodules in the right upper trapezius (35%). Local twitch response (0.5%), the least frequent diagnostic criterion was only found in the left gastocnemius medial head. A significant increase in latent MTrP prevalence for females compared to males in five of the six triceps surae MTrP sites, with no significant association for gender and latent MTrP prevalence in the left or right upper trapezius.ConclusionsThis study established the prevalence of latent MTrPs, specific diagnostic criteria and baseline normative data in the triceps surae. The middle fibres of deltoid were identified as a potential MTrP control site for future clinical research in the upper limb.

AB - ObjectivesTo determine the prevalence of latent myofascial trigger points (MTrPs), specific diagnostic criteria and the association between gender and MTrP prevalence in the triceps surae and upper trapezius.DesignCross-sectional study.SettingUniversity, Faculty of Health and Life Sciences.ParticipantsTwo hundred and twenty healthy volunteers (132 females and 88 males; mean age 29.7 (SD 11.0).InterventionsNot applicable.Main outcome measuresPrevalence of latent MTrPs in the triceps surae and comparative upper trapezius; specific diagnostic criteria and pressure pain threshold (PPT).ResultsLatent MTrPs were prevalent in all triceps surae (range: 13 to 30%), left upper trapezius (23%) and right upper trapezius (20%). No MTrPs (0%) identified in the middle fibres of deltoid. For each specific diagnostic criterion, taut bands were most prevalent in the right gastrocnemius medial head (81%); tender spot in left gastrocnemius medial head (52%) and nodules in the right upper trapezius (35%). Local twitch response (0.5%), the least frequent diagnostic criterion was only found in the left gastocnemius medial head. A significant increase in latent MTrP prevalence for females compared to males in five of the six triceps surae MTrP sites, with no significant association for gender and latent MTrP prevalence in the left or right upper trapezius.ConclusionsThis study established the prevalence of latent MTrPs, specific diagnostic criteria and baseline normative data in the triceps surae. The middle fibres of deltoid were identified as a potential MTrP control site for future clinical research in the upper limb.

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