Document Detail

Effects of treadmill exercise on transcranial magnetic stimulation-induced excitability to quadriceps after stroke.
MedLine Citation:
PMID:  16442977     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To determine characteristics of transcranial magnetic stimulation (TMS)-induced measures of central motor excitability to the paretic and nonparetic quadriceps muscles of chronic hemiparetic stroke patients in the context of a short-term, submaximal bout treadmill exercise. DESIGN: Cross-sectional. SETTING: Motor control and gait biomechanics laboratory. PARTICIPANTS: Convenience sample of 11 patients including cohorts of treadmill untrained (n=8) and trained (n=3) stroke patients with chronic hemiparetic gait. INTERVENTION: Short-term submaximal treadmill exercise. MAIN OUTCOME MEASURES: Thresholds, amplitudes and latencies of TMS-induced motor evoked potentials at vastus medialis in paretic and nonparetic lower extremities. RESULTS: Baseline characteristics of the motor evoked potentials (MEPs) show significantly higher motor thresholds, longer latencies, and reduced amplitudes on the paretic side. In cross-sectional comparisons a group of treadmill-trained patients had greater paretic MEP amplitude changes after treadmill exercise versus paretic MEP responses from a group of untrained patients. CONCLUSIONS: These results indicate that treadmill training for 3 months or more may alter responsiveness of the lower-extremity central motor pathways to a short-term treadmill stimulus.
Larry W Forrester; Daniel F Hanley; Richard F Macko
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Archives of physical medicine and rehabilitation     Volume:  87     ISSN:  0003-9993     ISO Abbreviation:  Arch Phys Med Rehabil     Publication Date:  2006 Feb 
Date Detail:
Created Date:  2006-01-30     Completed Date:  2006-03-06     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  2985158R     Medline TA:  Arch Phys Med Rehabil     Country:  United States    
Other Details:
Languages:  eng     Pagination:  229-34     Citation Subset:  AIM; IM    
Baltimore Veterans Affairs Medical Center Rehabilitation Research Service, Baltimore, MD 21201, USA.
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MeSH Terms
Cross-Sectional Studies
Evoked Potentials, Motor
Exercise Test*
Middle Aged
Neuronal Plasticity
Paresis / etiology,  physiopathology,  rehabilitation*
Quadriceps Muscle / innervation*,  physiopathology
Randomized Controlled Trials as Topic
Stroke / complications,  physiopathology,  rehabilitation*
Transcranial Magnetic Stimulation*
Grant Support

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

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