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Vol. 23. Issue 4.
Pages 324-328 (01 July 2019)
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Vol. 23. Issue 4.
Pages 324-328 (01 July 2019)
Original research
DOI: 10.1016/j.bjpt.2018.08.005
Trunk asymmetry is associated with dominance preference: results from a cross-sectional study of 1029 children
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Chiara Arientia,
Corresponding author
carienti@dongnocchi.it

Corresponding author at: IRCCS Fondazione Don Carlo Gnocchi. Cochrane Rehabilitation Headquarter. Largo Paolo VI, Rovato, Brescia, Italy.
, Riccardo Buraschia, Sabrina Donzellib, Fabio Zainab, Joel Polleta, Stefano Negrinia,c
a IRCCS Fondazione Don Carlo Gnocchi, Milan, Italy
b ISICO, Italian Scientific Spine Institute, Milan, Italy
c Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
Highlights

  • 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.

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Tables (3)
Table 1. Baseline demographic characteristics.
Table 2. Physical examination findings in predominant side (right).
Table 3. Physical examination findings in the predominant side (left).
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Abstract
Background

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.

Objective

The objective of this study is to evaluate the prevalence between trunk asymmetry and side dominance in hand, foot and visual laterality in adolescents.

Methods

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.

Results

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.

Conclusion

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.

Keywords:
Spinal posture
Scoliosis
Laterality
Spinal assessment
Abbreviations:
TA
SD
ATR
PPV
NPV
TP
FP
TN
FN

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