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Effects of Treadmill Exercise on Transcranial Magnetic Stimulation−Induced Excitability to Quadriceps After Stroke  Larry W. Forrester, PhD, Daniel F.

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Presentation on theme: "Effects of Treadmill Exercise on Transcranial Magnetic Stimulation−Induced Excitability to Quadriceps After Stroke  Larry W. Forrester, PhD, Daniel F."— Presentation transcript:

1 Effects of Treadmill Exercise on Transcranial Magnetic Stimulation−Induced Excitability to Quadriceps After Stroke  Larry W. Forrester, PhD, Daniel F. Hanley, MD, Richard F. Macko, MD  Archives of Physical Medicine and Rehabilitation  Volume 87, Issue 2, Pages (February 2006) DOI: /j.apmr Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

2 Fig 1 Patient positioned for isometric testing of knee extension. Surface electromyography electrodes placed over the vastus medialis muscles bilaterally for recording TMS MEP responses. Visual feedback of knee extensor force output presented on computer monitor. Abbreviations: A-to-D, analog to digital; EMG, electromyography; PC, personal computer; TTL synch, transistor-transistor logic synchronization signal. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

3 Fig 2 Means ± standard error of pretreadmill exercise comparison of MEPs between nonparetic (NP) and paretic (P) vastus medialis showing lower amplitudes and longer latencies on the paretic side. Data pooled for all subjects (n=11). *P<.01. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions

4 Fig 3 Examples of 10 averaged TMS-induced MEPs at vastus medialis before and after a single session of treadmill walking exercise. Top 4 panels show trained patient’s nonparetic and paretic responses. Lower 4 panels show responses of an untrained patient. Arrows denote stimulus onset. Abbreviation: TM, treadmill. Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr ) Copyright © 2006 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions


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