Reliability of TMS motor evoked potentials in quadriceps of subjects with chronic hemiparesis after stroke

Lewis A. Wheaton; Federico Villagra; Daniel F. Hanley; Richard F. Macko; Larry W. Forrester

doi:10.1016/j.jns.2008.09.012

Reliability of TMS motor evoked potentials in quadriceps of subjects with chronic hemiparesis after stroke

Lewis A. Wheaton, Federico Villagra, Daniel F. Hanley, Richard F. Macko, Larry W. Forrester

School of Medicine

Research output: Contribution to journal › Article

Abstract

Transcranial magnetic stimulation (TMS) non-invasively measures excitability of central motor pathways in humans and is used to characterize neuroplasticity after stroke. Using TMS to index lower extremity neuroplasticity after gait rehabilitation requires test-retest reliability. This study assesses the reliability of TMS-derived variables measured at bilateral quadriceps of chronic hemiparetic stroke survivors. Results support using measures of both paretic and nonparetic motor threshold, motor evoked potential (MEP) latencies; and nonparetic MEP amplitudes. Implications for longitudinal research are discussed.

Original language	English (US)
Pages (from-to)	115-117
Number of pages	3
Journal	Journal of the Neurological Sciences
Volume	276
Issue number	1-2
DOIs	https://doi.org/10.1016/j.jns.2008.09.012
State	Published - Jan 15 2009

Keywords

Lower extremity
Paretic
Quadriceps
Reliability
Stroke
TMS

ASJC Scopus subject areas

Neurology
Clinical Neurology

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Wheaton, L. A., Villagra, F., Hanley, D. F., Macko, R. F., & Forrester, L. W. (2009). Reliability of TMS motor evoked potentials in quadriceps of subjects with chronic hemiparesis after stroke. Journal of the Neurological Sciences, 276(1-2), 115-117. https://doi.org/10.1016/j.jns.2008.09.012

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abstract = "Transcranial magnetic stimulation (TMS) non-invasively measures excitability of central motor pathways in humans and is used to characterize neuroplasticity after stroke. Using TMS to index lower extremity neuroplasticity after gait rehabilitation requires test-retest reliability. This study assesses the reliability of TMS-derived variables measured at bilateral quadriceps of chronic hemiparetic stroke survivors. Results support using measures of both paretic and nonparetic motor threshold, motor evoked potential (MEP) latencies; and nonparetic MEP amplitudes. Implications for longitudinal research are discussed.",

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AU - Villagra, Federico

AU - Hanley, Daniel F.

AU - Macko, Richard F.

AU - Forrester, Larry W.

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