Document Detail


Identifying leading joint strategies in a bimanual coordination task: does coordination stability depend on leading joint strategy?
MedLine Citation:
PMID:  20018586     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The authors sought to determine if principles of the Leading Joint Hypothesis, when applied to a multijoint, bimanual coordination task, could provide insight into the contribution of intralimb dynamics to interlimb coordination. Participants repetitively traced ellipse templates with an isodirectional motion of the end effectors (both hands moving counterclockwise [CCW]) at two cycling frequencies. Ellipse templates were oriented either tilted right or tilted left, yielding a total of 4 left arm-right arm leading-joint combinations. Analysis of torque sign and impulse data indicated that the 4 ellipse-tracing conditions resulted in 4 distinct left arm-right arm leading-joint combinations: 2 conditions with similar leading joints and 2 conditions with different leading joints. Isodirectional CCW ellipse tracing was more stable when produced with similar leading joints compared with when produced with different leading joints. The authors discuss results within the context of intralimb control contributions to the stability of interlimb coordination patterns.
Authors:
Tiffany M Rodriguez; John J Buchanan; Caroline J Ketcham
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of motor behavior     Volume:  42     ISSN:  1940-1027     ISO Abbreviation:  J Mot Behav     Publication Date:    2010 Jan-Feb
Date Detail:
Created Date:  2010-01-06     Completed Date:  2010-03-30     Revised Date:  2010-05-13    
Medline Journal Info:
Nlm Unique ID:  0236512     Medline TA:  J Mot Behav     Country:  United States    
Other Details:
Languages:  eng     Pagination:  49-60     Citation Subset:  IM    
Affiliation:
Department of Health and Kinesiology, Texas A&M University, College Station, TX 77843-4243, USA. trodriguez@hlkn.tamu.edu
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MeSH Terms
Descriptor/Qualifier:
Adult
Arm / physiology
Hand Joints / physiology*
Humans
Models, Biological
Orientation
Postural Balance / physiology
Psychomotor Performance / physiology*
Torque
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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