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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Bimanual coordination dynamics in poststroke hemiparetics.
    Author: Lewis GN, Byblow WD.
    Journal: J Mot Behav; 2004 Jun; 36(2):174-88. PubMed ID: 15130868.
    Abstract:
    Poststroke hemiparetic individuals (n = 9) and a control group (n = 9) completed a frequency-scaled circle-drawing task in unimanual and bimanual conditions. Measures of intralimb spatial and temporal task accuracy and interlimb coordination parameters were analyzed. Significant reductions in task performance were seen in both limbs of the patients and controls with the introduction of bimanual movement. Spatial performance parameters suggested that the 2 groups focused on different hands during bimanual conditions. In the controls, interlimb coordination variables indicated predictable hand dominance effects, whereas in the patient group, dominance was influenced by the side of impairment and prior handedness of the individual. Therefore, in this particular bimanual task, performance improvements in the hemiplegic side could not be elicited. Intrinsic coupling asymmetries between the hands can be altered by unilateral motor deficits.
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