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Eur Spine J. 2009 Jan;18(1):38-44. doi: 10.1007/s00586-008-0831-6. Epub 2008 Dec 6.

Postural imbalance in non-treated adolescent idiopathic scoliosis at different periods of progression.

Author information

1
Department of Kinesiology, Montreal University, Montreal, Canada. marlene.beaulieu@umontreal.ca

Abstract

The aim of this study was to test the hypothesis that imbalance in patients with a severe deformity of the spine is associated with an increase in the sensory integration disorder. This paper is a case comparison study. Patients were divided into three groups: able-bodied (n = 53), observation (n = 23), and pre-brace (n = 26) groups. Time domain parameters (sway area, position and displacement) and structural posturographic parameters [mean distance (MD) and mean peak (MP)] were calculated from the COP excursion using a force platform. A sensory integration disorder could be an important factor in the progression of the scoliotic curve. Significant differences were found in time domain between observation, pre-brace and able-bodied groups. The results for the structural posturographic parameters showed significant differences between the pre-brace and the able-bodied groups (P = 0.018 MD and P = 0.02 MP) demonstrating a perturbation in sensory integration system by an increase of imbalance. The absence of statistical difference between the observation and the pre-brace groups for the structural posturographic parameters indicates a perturbation of sensory integration system associated with curve progression. Our study has demonstrated that the pre-brace group is less stable than the able-bodied group. The severity of scoliosis in pre-brace scoliotic girls could be related to an increase in the sensory integration disorder.

PMID:
19066989
PMCID:
PMC2615119
DOI:
10.1007/s00586-008-0831-6
[Indexed for MEDLINE]
Free PMC Article

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