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Postural stability in girls with idiopathic scoliosis
© Kotwicki et al; licensee BioMed Central Ltd. 2010
- Published: 10 September 2010
- Horizontal Axis
- Postural Control
- Postural System
- Measured Parameter
- Frontal Plane
Idiopathic scoliosis (IS) may be related to decreased postural control of the body. The aim of the study was to investigate the postural control in a group of IS girls compared with healthy girls.
Eighteen IS girls, aged 12-14 years, mean 13.2±0.8, mean height 157.4±7.0 cm, mean weight 47.0±9.4 kg , mean BMI 18.7±3.0 and seventeen healthy controls aged 12-14, mean 13.2±0.9, mean height 158.5±7.6, mean weight 50.2±11,6, mean BMI 19.8±3.7 were examined. The Cobb angle varied from 20 to 90 degrees, mean 39.1±16.9 degrees.
Standing balance was tested with CQ-STAB force platform: sway pathway (mm), area (mm2) of the centre of pressure (COP) were measured within the left and the right leg. Dynamic balance with two-leg standing on equilibrium board was studied with DELOS Postural System: platform frontal sway from the horizontal axis (°) and trunk frontal and sagittal sway from the vertical axis (°). Both static and dynamic examination was performed with eyes open (EO) and with eyes closed (EC). Each condition was tested three times, with the subject given a 2-minute resting period between tests and the best performance was used for statistical analysis.
All studied parameters reveled higher values when performed with EC than with EO in both groups. No differences of measured parameters performed with EC between groups were found. With EO, the IS group revealed higher values of sway pathway in frontal plane and sway area when standing on a right leg and sway pathway when standing on a left leg.
Small number of subjects in each group is the limitation of the study, however the inclusion of curves being currently within the period of progression is the strong part of it.
The control of postural stability in girls with IS, being within the period of progression, seems as good as in healthy girls. It was slightly disturbed only on static examination with eyes open.
This article is published under license to BioMed Central Ltd.