| Title: | The effects of spinal manipulation on motor unit behavior |
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| Authors: | ID Robinault, Lucien (Author)
ID Holobar, Aleš (Author)
ID Crémoux, Sylvain (Author)
ID Rashid, Usman (Author)
ID Niazi, Imran Khan (Author)
ID Holt, Kelly (Author)
ID Lauber, Jimmy (Author)
ID Haavik, Heidi (Author) |
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| Files: |  brainsci-11-00105.pdf (3,56 MB)
MD5: A35EBCB6BCF21DFBE79CF54C5A958CFA
 https://www.mdpi.com/2076-3425/11/1/105
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| Language: | English |
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| Work type: | Article |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FERI - Faculty of Electrical Engineering and Computer Science
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| Abstract: | Over recent years, a growing body of research has highlighted the neural plastic effects of
spinal manipulation on the central nervous system. Recently, it has been shown that spinal manipulation improved outcomes, such as maximum voluntary force and limb joint position sense, reflecting
improved sensorimotor integration and processing. This study aimed to further evaluate how spinal
manipulation can alter neuromuscular activity. High density electromyography (HD sEMG) signals
from the tibialis anterior were recorded and decomposed in order to study motor unit changes in
14 subjects following spinal manipulation or a passive movement control session in a crossover study
design. Participants were asked to produce ankle dorsiflexion at two force levels, 5% and 10% of
maximum voluntary contraction (MVC), following two different patterns of force production (“ramp”
and “ramp and maintain”). A significant decrease in the conduction velocity (p = 0.01) was observed
during the “ramp and maintain” condition at 5% MVC after spinal manipulation. A decrease in
conduction velocity suggests that spinal manipulation alters motor unit recruitment patterns with an
increased recruitment of lower threshold, lower twitch torque motor units. |
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| Keywords: | high-density surface electromyography, chiropractic, electromyography decomposition, motor unit |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 16.12.2020 |
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| Article acceptance date: | 12.01.2021 |
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| Publication date: | 14.01.2021 |
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| Publisher: | MDPI |
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| Year of publishing: | 2021 |
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| Number of pages: | str. 1-19 |
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| Numbering: | Vol. 11, iss. 1 |
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| PID: | 20.500.12556/DKUM-93355  |
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| UDC: | 616.8:004.5 |
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| ISSN on article: | 2076-3425 |
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| COBISS.SI-ID: | 47332099 |
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| DOI: | 10.3390/brainsci11010105 |
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| Copyright: | © 2021 by the authors |
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| Publication date in DKUM: | 20.06.2025 |
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| Views: | 151 |
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| Downloads: | 14 |
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| Metadata: |    |
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| Categories: | Misc.
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