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  Corticomuscular interactions during different movement periods in a multi-joint compound movement

Kenville, R., Maudrich, T., Vidaurre, C., Maudrich, D., Villringer, A., Nikulin, V. V., et al. (2020). Corticomuscular interactions during different movement periods in a multi-joint compound movement. Scientific Reports, 10: 5021. doi:10.1038/s41598-020-61909-z.

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Kenville, Rouven1, 2, Author              
Maudrich, Tom1, 2, Author              
Vidaurre, Carmen3, 4, Author
Maudrich, Dennis2, Author              
Villringer, Arno2, 5, 6, Author              
Nikulin, Vadim V.2, 7, 8, Author              
Ragert, Patrick1, 2, Author              
Affiliations:
1Institute of General Kinesiology and Athletics Training, Faculty of Sport Science, University of Leipzig, Germany, ou_persistent22              
2Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
3Statistics, Informatics and Mathematics Department, Public University of Navarre, Spain, ou_persistent22              
4Department of Machine Learning, TU Berlin, Germany, ou_persistent22              
5MindBrainBody Institute, Berlin School of Mind and Brain, Humboldt University Berlin, Germany, ou_persistent22              
6Clinic for Cognitive Neurology, University of Leipzig, Germany, ou_persistent22              
7Centre for Cognition and Decision Making, National Research University Higher School of Economics, Moscow, Russia, ou_persistent22              
8Neurophysics Group, Department of Neurology, Charité University Medicine Berlin, Germany, ou_persistent22              

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 Abstract: While much is known about motor control during simple movements, corticomuscular communication profiles during compound movement control remain largely unexplored. Here, we aimed at examining frequency band related interactions between brain and muscles during different movement periods of a bipedal squat (BpS) task utilizing regression corticomuscular coherence (rCMC), as well as partial directed coherence (PDC) analyses. Participants performed 40 squats, divided into three successive movement periods (Eccentric (ECC), Isometric (ISO) and Concentric (CON)) in a standardized manner. EEG was recorded from 32 channels specifically-tailored to cover bilateral sensorimotor areas while bilateral EMG was recorded from four main muscles of BpS. We found both significant CMC and PDC (in beta and gamma bands) during BpS execution, where CMC was significantly elevated during ECC and CON when compared to ISO. Further, the dominant direction of information flow (DIF) was most prominent in EEG-EMG direction for CON and EMG-EEG direction for ECC. Collectively, we provide novel evidence that motor control during BpS is potentially achieved through central motor commands driven by a combination of directed inputs spanning across multiple frequency bands. These results serve as an important step toward a better understanding of brain-muscle relationships during multi joint compound movements.

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Language(s): eng - English
 Dates: 2019-11-122020-03-052020-03-19
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1038/s41598-020-61909-z
PMID: 32193492
PMC: PMC7081206
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Title: Scientific Reports
  Abbreviation : Sci. Rep.
Source Genre: Journal
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Publ. Info: London, UK : Nature Publishing Group
Pages: - Volume / Issue: 10 Sequence Number: 5021 Start / End Page: - Identifier: ISSN: 2045-2322
CoNE: https://pure.mpg.de/cone/journals/resource/2045-2322