Evaluation of validity and reliability of a methodology for measuring human postural attitude and its relation to temporomandibular joint disorders

Singapore Medical Journal
Ramón Fuentes FernándezNicolás Ernesto Ottone

Abstract

Temporomandibular joint disorders (TMJDs) are caused by several factors such as anatomical, neuromuscular and psychological alterations. In terms of anatomical alteration, a relationship has been established between TMJDs and postural alterations. Anterior position of the head requires hyperactivity of the posterior neck region and shoulder muscles to prevent the head from falling forward. This compensatory muscular function may cause fatigue, discomfort and trigger point activation. There is no evidence on a method for assessing human postural attitude in more than one plane. Thus, the aim of this study was to design a methodology to measure the external human postural attitude in frontal and sagittal planes, with proper validity and reliability analyses. The variable postures of 78 subjects (36 male and 42 female), aged 18-24 years, were evaluated. The postural attitudes of the 78 subjects were measured in the frontal and sagittal planes, using an acromiopelvimeter, a grid panel and a Fox plane. The method we designed for measuring postural attitudes had adequate reliability and validity, both qualitatively and quantitatively, based on the kappa statistical test (> 0.8760) and Pearson's correlation coefficient (R = 0.824, > 8...Continue Reading

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Citations

Jun 2, 2021·Cranio : the Journal of Craniomandibular Practice·Aurora Fernández MolinaMontserrat Diéguez-Pérez

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