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Updated: Feb 11, 2026

Event-related Potentials During Target-response Tasks to Study Cognitive Processes of Upper Limb Use in Children with Unilateral Cerebral Palsy
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Event-related Potentials During Target-response Tasks to Study Cognitive Processes of Upper Limb Use in Children with Unilateral Cerebral Palsy

Published on: January 11, 2016

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Kinematic motion abnormalities and bimanual performance in children with unilateral cerebral palsy

Florence Gaillard1,2, Armel Cretual2, Sebastien Cordillet2

  • 1Department of Physical Medicine and Rehabilitation, CHU Rennes, Rennes, France.

Developmental Medicine and Child Neurology
|April 28, 2018
PubMed

Insights

Children with unilateral cerebral palsy (CP) exhibit greater upper limb movement deviations. These deviations strongly correlate with impaired bimanual performance, highlighting the need for targeted therapeutic interventions.

Area of Science:

  • Pediatric Neurology
  • Rehabilitation Medicine
  • Movement Science

Background:

  • Unilateral cerebral palsy (CP) significantly impacts upper limb function in children.
  • Understanding the relationship between motor control deficits and functional bimanual performance is crucial for effective intervention.

Purpose of the Study:

  • To investigate the correlation between upper limb movement abnormalities and bimanual performance in children with unilateral CP.
  • To quantify kinematic deviations in the affected upper limb and relate them to functional outcomes.

Main Methods:

  • A cohort of 23 children with unilateral CP and 23 typically developing children (TDC) were assessed.
  • Bimanual performance was evaluated using the Assisting Hand Assessment (AHA).
  • Three-dimensional movement analysis quantified upper limb kinematic indices, including Global Arm Profile Score (APS) and Global Arm Variable Score (AVS).

Main Results:

  • Children with unilateral CP demonstrated significantly greater kinematic deviations compared to TDC.
  • A strong negative correlation (r=-0.75) was observed between Global-APS and AHA scores.
  • Movement deviations, particularly in distal joints, were significantly associated with bimanual performance.

Conclusions:

  • Children with unilateral CP exhibit distinct upper limb movement abnormalities compared to their typically developing peers.
  • Global upper limb movement deviation is a strong predictor of bimanual task performance in this population.
  • Therapeutic strategies should address distal joint limitations to improve functional outcomes in unilateral CP.
Abstract

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