Abstract
Introduction
Based on the literature, reliability reports and normative data for bilateral stance assessments in elementary schoolchildren are limited. The present study was designed to report test-retest reliability and reference values for postural stability in 9 to 10 years old schoolchildren using the Balance Master system.
Materials and methods
Twenty children participated in the reproducibility study (mean age 10.1±0.7) including test and retest measurement with a one-week interval. The modified clinical test of sensory interaction on balance (mCTSIB) quantified children’s static standing balance. The test for the limits of stability (LOS) measured dynamic standing balance. The study sample to determine reference values consisted of 99 children (mean age 9.8±0.5).
Results
The ICCs for inter-item reliability of the four sensory conditions of the mCTSIB showed fair to excellent reliability (ICCs between 0.62 and 0.80). The reproducibility between test and retest was non-significant for the condition ‘firm surface with eyes closed’ (ICC of 0.37), fair to good for the three other sensory conditions (ICCs between 0.59 and 0.68), and excellent for the composite sway velocity (ICC of 0.77). For all LOS parameters, the significant ICCs showed fair to good reproducibility (ICCs between 0.44 and 0.62), with the exception of the non-significant ICC for the composite reaction time. The ICCs for the separate LOS parameters showed fair to good and excellent reliability for nine parameters (ICCs between 0.46 and 0.81), while 11 separate LOS scores did not demonstrate significant ICCs.
Discussion
Analysing reference values, girls performed better on all the composite balance parameters compared to boys, with the exception of reaction time and movement velocity. No differences were found on standing balance scores between 9 and 10 year olds.
Conclusion
In conclusion, the Balance Master showed fair to good reliability for most postural parameters in 9 to 10 year olds. The current data on postural control in children aged 9 to 10 years are relevant for research in other domains within the clinical field, like obesitas and developmental coordination disorder or in relation to back pain prevalence at early age.
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Abbreviations
- COP:
-
Centre of pressure
- COG:
-
Centre of gravity
- mCTSIB:
-
Modified clinical test of sensory interaction
- LOS:
-
Limits of stability
- ICC:
-
Intraclass correlation coefficient
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Acknowledgements
This study is part of a broader research project entitled: Sport, Physical Activity and Health, carried out by a consortium of researchers from KULeuven, Ghent University and VUBrussels, funded by the Flemish Government.
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Geldhof, E., Cardon, G., De Bourdeaudhuij, I. et al. Static and dynamic standing balance: test-retest reliability and reference values in 9 to 10 year old children. Eur J Pediatr 165, 779–786 (2006). https://doi.org/10.1007/s00431-006-0173-5
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DOI: https://doi.org/10.1007/s00431-006-0173-5