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Normative reference values are essential to identify deviation from normal and evaluate response to treatment. As joint range of motion datasets specific to the pediatric population are infrequently reported in the literature, we determined lower limb passive joint range of motion and bone torsion values from 53 typically developing children aged 4-16 years. Our reference values were consistent with previously published norms, although for some measures, large variability in the literature exists. A clear correlation between joint range and age was observed in most measures. Our results highlight the importance of applying age-matched norms when attempting to identify deviation from normal in the growing child.

compared to the Mini-BESTest (59%). Agreement was good to excellent for both the Full-BESTest (Smallest Detectable Change 2% to 6%) and the Mini-BESTest (Smallest Detectable Change 5% to 10%) relative to total test scores. Conclusions/Significance: Both the Full-BESTest and Mini-BESTest can discriminate postural control abilities within and between days in school-aged children. The Full-BESTest has slightly better reproducibility and a broader range of items, which suggests it could be the most useful version for treatment planning. A few minor modifications are recommended to improve reproducibility for children. We propose this slightly modified version to be named the Kids-BESTest. Future psychometric research is recommended for specific pediatrics clinical populations.

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