Document Detail

Motor dysfunction of the "non-affected" lower limb: a kinematic comparative study between hemiparetic stroke and total knee prosthesized patients.
MedLine Citation:
PMID:  19214377     Owner:  NLM     Status:  MEDLINE    
In patients with hemispheric stroke, abnormal motor performances are described also in the ipsilateral limbs. They may be due to a cortical reorganization in the unaffected hemisphere; moreover, also peripheral mechanisms may play a role. To explore this hypothesis, we studied motor performances in 15 patients with hemispheric stroke and in 14 patients with total knee arthroplasty, which have a reduced motility in the prosthesized leg. Using the unaffected leg, they performed five superimposed circular trajectories in a prefixed pathway on a computerized footboard, while looking at a marker on the computer screen. The average trace error was significantly different between the groups of patients and healthy subjects [F ((2,25)) = 7.9; p = 0.003]; on the contrary, the test time execution did not vary significantly. In conclusion, both groups of patients showed abnormal motor performances of the unaffected leg; this result suggests a likely contribution of peripheral mechanisms.
Sergio Bagnato; Cristina Boccagni; Filippo Boniforti; Antonia Trinchera; Giovanni Guercio; Giulia Letizia; Giuseppe Galardi
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Publication Detail:
Type:  Comparative Study; Journal Article     Date:  2009-02-13
Journal Detail:
Title:  Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology     Volume:  30     ISSN:  1590-3478     ISO Abbreviation:  Neurol. Sci.     Publication Date:  2009 Apr 
Date Detail:
Created Date:  2009-03-27     Completed Date:  2009-07-31     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100959175     Medline TA:  Neurol Sci     Country:  Italy    
Other Details:
Languages:  eng     Pagination:  107-13     Citation Subset:  IM    
Rehabilitation Department, Fondazione Istituto San Raffaele-G.Giglio, 90015, Cefalù (PA), Italy.
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MeSH Terms
Disability Evaluation
Efferent Pathways / physiopathology
Functional Laterality / physiology
Gait / physiology
Gait Disorders, Neurologic / diagnosis,  etiology,  physiopathology*
Knee Joint / physiopathology,  surgery
Knee Prosthesis / adverse effects*
Leg / innervation,  physiopathology*
Mechanoreceptors / physiology
Middle Aged
Movement Disorders / diagnosis,  etiology,  physiopathology*
Muscle, Skeletal / innervation,  physiopathology
Paresis / diagnosis,  etiology,  physiopathology*
Posture / physiology
Proprioception / physiology
Reflex, Abnormal / physiology
Somatosensory Disorders / diagnosis,  etiology,  physiopathology
Stroke / complications*

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