The capacity to adapt to changing balance threats: A comparison of children with cerebral palsy and typically developing children

P. A. Burtner, M. H. Woollacott, G. L. Craft, M. N. Roncesvalles

Research output: Contribution to journalArticle

48 Scopus citations

Abstract

Objectives: This study investigated differences in reactive balance abilities of typically developing children and those with spastic diplegia. Recovery from balance threats was compared by: (i) Platform velocity and amplitude thresholds: Speed and size of platform movement at which children required assistance to remain upright, (ii) percentage of trials with feet-in-place vs. loss of balance, and (iii) center of pressure measures. Participants included 8 children with spastic diplegic cerebral palsy, 15 developmentally matched children (similar walking stages) and 21 age-matched control children. Methods: Backward platform movements graded as easy, moderate and difficult were unexpectedly imposed on children standing on a moveable platform. Results: Children with cerebral palsy (CP) had lower platform velocity thresholds, greater percentages of loss of balance trials, increased distances and increased frequency of directional changes in center-of-pressure (COP) trajectories than control children. Older children with CP fell more often than those under 5 years. Greatest differences between children with and without CP were found in comparisons based on age rather than developmental levels. Conclusions: Using balance perturbations that challenged children with CP to the limits of their balance abilities effectively identified age performance differences and differences compared to typically developing children. Implications for rehabilitation programs are presented.

Original languageEnglish
Pages (from-to)249-260
Number of pages12
JournalDevelopmental Neurorehabilitation
Volume10
Issue number3
DOIs
StatePublished - 2007

Keywords

  • Cerebral palsy
  • Motor control
  • Stance balance

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