Neural factors underlying reduced postural adaptability in children with cerebral palsy
Abstract
This study aimed to test mechanisms underlying impairments in balance control in children with cerebral palsy. We hypothesized that balance loss during large/fast perturbations could be due to reduced contraction of agonist muscles, delay in muscle contraction or simultaneous contraction of antagonist muscles, reducing the efficiency of the agonist burst. Electromyograms were recorded as children recovered from balance threats of varying magnitudes/velocities. In typically developing children muscle response magnitudes increased with larger/faster perturbations, while in children with cerebral palsy they did not. There was no difference in muscle onset latency or antagonist co-contraction between groups. Thus the primary constraint on balance recovery in these children is insufficient levels of contraction of agonist postural muscles.
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Children with CP show deficits in anticipatory postural adjustments, reactive postural adjustments, and sensory and musculoskeletal components of postural control compared with children with typical development.
“To date, it is known that children with CP show deficits in anticipatory postural adjustments, 4 -9 and reactive postural adjustments, 10 -12 as well as sensory 4,13 and musculoskeletal components 14,15 of postural control, compared with children with typical development.”
From Exercise interventions improve postural control in children with cerebral palsy: a systematic review (2015) · cites this paper as [11]
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Self-citationExercise interventions improve postural control in children with cerebral palsy: a systematic review
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Self-citation
- Authors
- Roncesvalles, M. N., Woollacott, M. W., & Burtner, P. A.
- Affiliations
- University of New Mexico (US)
- University of Oregon (US)
- Venue
- NeuroReport
- Published
- 2002-12
- Volume
- 13
- Issue
- 18
- Pages
- 2407-2410
- ISSN
- 0959-4965 (ISSN-L)
- OpenAlex
- W2024482251
- Cited by
- 58
- References
- 15
- Citations by year
- 2026: 1 · 2024: 2 · 2023: 3 · 2022: 3 · 2020: 5 · 2019: 1 · 2017: 4 · 2016: 1 · 2015: 1 · 2014: 4 · 2013: 10 · 2012: 1
- FWCI
- 0.85
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Neuroreport (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Cerebral Palsy and Movement Disorders
- Health Sciences › Health Professions › Physical Therapy, Sports Therapy and Rehabilitation › Balance, Gait, and Falls Prevention
- Social Sciences › Psychology › Developmental and Educational Psychology › Children's Physical and Motor Development
- Keywords
- cerebral palsy, balance control, perturbations, muscle onset latency, postural muscles, children, balance recovery
- MeSH terms
- Adaptation, Physiological, Cerebral Palsy, Child, Child, Preschool, Electromyography, Postural Balance, Humans, Mechanoreceptors, Muscle Contraction, Muscle Spasticity, Posture, Muscle, Skeletal
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