Journal article
Anteroposterior balance reactions in children with spastic cerebral palsy
Developmental medicine and child neurology, v 62(6), pp 700-708
01 Jun 2020
PMID: 32124436
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Aim To compare anterior and posterior standing balance reactions, as measured by single-stepping thresholds, in children with and without spastic cerebral palsy (CP).
Method Seventeen ambulatory children with spastic CP (eight males, nine females) and 28 typically developing children (13 males, 15 females; age range 5-12y, mean [SD] 9y 2mo [2y 3mo]), were included in this cross-sectional, observational study. Balance reaction skill was quantified as anterior and posterior single-stepping thresholds, or the treadmill-induced perturbations that consistently elicited a step in that direction. In order to understand the underlying mechanisms of between-group differences in stepping thresholds, dynamic stability was quantified using the minimum margin of stability. Ankle muscle activation latency, magnitude, and co-contraction were assessed with surface electromyography.
Results We observed an age and group interaction for anterior thresholds (p=0.001, partial eta(2)=0.24). At older (approximate to 11y; p<0.001, partial eta(2)=0.48), but not younger (approximate to 7y; p=0.33, partial eta(2)=0.02) ages, typically developing children had larger anterior thresholds than those with CP. In response to near-threshold anterior perturbations, older typically developing children recovered from more instability than their peers with CP (p=0.004, partial eta(2)=0.18). Older children had no between-group differences in ankle muscle activity. No between-group differences were observed in posterior thresholds.
Interpretation The effects of CP on balance reactions are age- and direction-specific. Older typically developing children are more able or willing to withhold a step when unstable.
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Details
- Title
- Anteroposterior balance reactions in children with spastic cerebral palsy
- Creators
- Jeremy R. Crenshaw - University of DelawareDrew A. Petersen - Drexel UniversityBenjamin C. Conner - College of Medicine - Phoenix, University of Arizona, Phoenix, AZ, USAJames B. Tracy - University of DelawareJamie Pigman - Monmouth UniversityHenry G. Wright - University of DelawareFreeman Miller - Dupont HospitalCurtis L. Johnson - University of DelawareChristopher M. Modlesky - University of Georgia
- Publication Details
- Developmental medicine and child neurology, v 62(6), pp 700-708
- Publisher
- Wiley
- Number of pages
- 9
- Grant note
- State of Delaware P20-GM103446 / NIGMS; United States Department of Health & Human Services; National Institutes of Health (NIH) - USA; NIH National Institute of General Medical Sciences (NIGMS) 1R01HD090126 / Eunice Kennedy Shriver Institute for Child Health and Human Development Delaware INBRE program
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Physical Therapy (and Rehabilitation Sciences)
- Web of Science ID
- WOS:000517506900001
- Scopus ID
- 2-s2.0-85080986495
- Other Identifier
- 991019168844904721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Clinical Neurology
- Pediatrics