Cortical motor representation of the rectus femoris does not differ between the left and right hemisphere

S Ward; A L Bryant; B Pietrosimone; K L Bennell; Ross Clark; A J Pearce

doi:10.1016/j.jelekin.2016.03.003

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Cortical motor representation of the rectus femoris does not differ between the left and right hemisphere

Journal article

Peer reviewed

Cortical motor representation of the rectus femoris does not differ between the left and right hemisphere

S Ward, A L Bryant, B Pietrosimone, K L Bennell, Ross Clark and A J Pearce

Journal of Electromyography and Kinesiology, Vol.28, pp.46-52

2016

DOI: https://doi.org/10.1016/j.jelekin.2016.03.003

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Abstract

transcranial magnetic stimulation

quadriceps

motor mapping

lower limb

central nervous system

Transcranial magnetic stimulation (TMS) involves non-invasive magnetic stimulation of the brain, and can be used to explore the corticomotor excitability and motor representations of skeletal muscles. However there is a lack of motor mapping studies in the lower limb and few conducted in healthy cohorts. The cortical motor representations of muscles can vary between individuals in terms of center position and area despite having a general localized region within the motor cortex. It is important to characterize the normal range for these variables in healthy cohorts to be able to evaluate changes in clinical populations. TMS was used in this cross-sectional study to assess the active motor threshold (AMT) and cortical representation area for rectus femoris in 15 healthy individuals (11 M/4F 27.3±5.9 years). No differences were found between hemispheres (Left vs. Right P = 0.130) for AMT. In terms of y-axis center position no differences were found between hemispheres (Left vs. Right P = 0.539), or for the x-axis center position (Left vs. Right P = 0.076). Similarly, no differences in calculated area of the motor representation were found (Left vs. Right P = 0.699) indicating symmetry between hemispheres. © 2016 Elsevier Ltd.

Details

Title: Cortical motor representation of the rectus femoris does not differ between the left and right hemisphere
Authors: S Ward (Author) - University of Melbourne
A L Bryant (Author) - University of Melbourne
B Pietrosimone (Author) - University of North Carolina at Chapel Hill, United States
K L Bennell (Author) - University of Melbourne
Ross Clark (Author) - Australian Catholic University
A J Pearce (Author) - University of Melbourne
Publication details: Journal of Electromyography and Kinesiology, Vol.28, pp.46-52
Publisher: Elsevier Ltd.
DOI: 10.1016/j.jelekin.2016.03.003
ISSN: 1050-6411
Organisation Unit: School of Health and Behavioural Sciences - Legacy; School of Health and Sport Sciences - Legacy; University of the Sunshine Coast, Queensland; School of Health - Public Health
Language: English
Record Identifier: 99450691402621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Neurosciences; Physiology; Rehabilitation; Sport Sciences

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