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Trunk asymmetry is associated with dominance preference: results from a cross-sectional study of 1029 children

•Left side dominance has a prevalence for trunk asymmetry.•Embryology factors could justify the development of left-right side dominance.•It is unclear how neuro-abnormality is common in trunk asymmetry with left convexity. In some studies, an association has been reported between laterality of the...

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Bibliographic Details
Published in:Revista brasileira de fisioterapia (São Carlos (São Paulo, Brazil)) Brazil)), 2019-07, Vol.23 (4), p.324-328
Main Authors: Arienti, Chiara, Buraschi, Riccardo, Donzelli, Sabrina, Zaina, Fabio, Pollet, Joel, Negrini, Stefano
Format: Article
Language:English
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Summary:•Left side dominance has a prevalence for trunk asymmetry.•Embryology factors could justify the development of left-right side dominance.•It is unclear how neuro-abnormality is common in trunk asymmetry with left convexity. In some studies, an association has been reported between laterality of the curve in scoliotic adolescents and hand dominance; however, additional studies have to be performed to confirm these findings. The objective of this study is to evaluate the prevalence between trunk asymmetry and side dominance in hand, foot and visual laterality in adolescents. This was a cross-sectional study secondary analysis. In total, 1029 children (491 females) were enrolled from the Secondary School of Brescia, Italy, with a mean age of 12 (SD=0.9 years). All subjects underwent a screening program divided into three phases: Phase 1, collection of demographic and clinical characteristics; Phase 2, spine evaluation with a plumb line and Bunnell Scoliometer; and Phase 3, evaluation of side dominance of the eye, hand and foot with a 4-item survey. Our data showed a prevalence of 0.43%, 1.01% and 0.87% for thoracic, thoracolumbar and lumbar curves, respectively, with a right-side dominance and a prevalence of 2.72%, 2.54% and 0.65% for thoracic, thoracolumbar and lumbar curves, respectively, with a left-side dominance. The left-side dominance could have a prevalence on trunk asymmetry in thoracic and thoraco-lumbar curves. Our study suggests that the clinical evaluation of trunk asymmetry should be associated with the evaluation of laterality.
ISSN:1413-3555
1809-9246
DOI:10.1016/j.bjpt.2018.08.005