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Head-torso-hand coordination in children with and without developmental coordination disorder
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Elders, Vera, Sheehan, Sinead, Wilson, Andrew D., Levesley, Martin, Bhakta, Bipin and Mon-Williams, Mark (2010) Head-torso-hand coordination in children with and without developmental coordination disorder. Developmental Medicine and Child Neurology, Vol.52 (No.3). pp. 238-243. doi:10.1111/j.1469-8749.2009.03347.x
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Official URL: http://dx.doi.org/10.1111/j.1469-8749.2009.03347.x
Abstract
AIM This study investigated the nature of coordination and control problems in children with developmental coordination disorder (DCD).
METHOD Seven adults (two males, five females, age range 20-28y; mean 23y, SD 2y 8mo) and eight children with DCD (sixmales, two females, age range 7-9y; mean 8y, SD 8mo), and 10 without DCD (seven males, three females, age range 7-9y; mean 8y, SD 7mo) sat in a swivel chair and looked at or pointed to targets. Optoelectronic apparatus recorded head, torso, and hand movements, and the spatial and temporal characteristics of the movements were computed.
RESULTS Head movement times were longer (p < 0.05) in children with DCD than in the comparison group, even in the looking task, suggesting that these children experience problems at the lowest level of coordination (the coupling of synergistic muscle groups within a single degree of freedom). Increasing the task demands with the pointing condition affected the performance of children with DCD to a much greater extent than the other groups, most noticeably in key feed-forward kinematic landmarks. Temporal coordination data indicated that all three groups attempted to produce similar movement patterns to each other, but that the children with DCD were much less successful than age-matched children in the comparison group.
INTERPRETATION Children with DCD have difficulty coordinating and controlling single degree-of-freedom movements; this problem makes more complex tasks disproportionately difficult for them. Quantitative analysis of kinematics provides key insights into the nature of the problems faced by children with DCD.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry R Medicine > RJ Pediatrics |
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| Divisions: | Faculty of Science > Psychology | ||||
| Journal or Publication Title: | Developmental Medicine and Child Neurology | ||||
| Publisher: | Wiley-Blackwell Publishing Ltd. | ||||
| ISSN: | 0012-1622 | ||||
| Official Date: | March 2010 | ||||
| Dates: |
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| Volume: | Vol.52 | ||||
| Number: | No.3 | ||||
| Number of Pages: | 6 | ||||
| Page Range: | pp. 238-243 | ||||
| DOI: | 10.1111/j.1469-8749.2009.03347.x | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Wellcome Trust, Action Medical Research, SPARK award |
Data sourced from Thomson Reuters' Web of Knowledge
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