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Determination of the motor unit behavior of lumbar erector spinae muscles through surface EMG decomposition technology in healthy female subjects
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Silva, Mariana Felipe, Dias, Josilainne Marcelino, Pereira, Ligia Maxwell, Mazuquin, Bruno F., Lindley, Steven, Richards, Jim and Cardoso, Jefferson Rosa (2017) Determination of the motor unit behavior of lumbar erector spinae muscles through surface EMG decomposition technology in healthy female subjects. Muscle & Nerve, 55 (1). pp. 28-34. doi:10.1002/mus.25184 ISSN 0148-639X.
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Official URL: http://dx.doi.org/10.1002/mus.25184
Abstract
Introduction: The aims of this study were to determine the motor unit behavior of the erector spinae muscles and to assess whether differences exist between the dominant/nondominant sides of the back muscles. Methods: Nine healthy women, aged 21.7 years (SD = 0.7), performed a back extension test. Surface electromyographic decomposition data were collected from both sides of the erector spinae and decomposed into individual motor unit action potential trains. The mean firing rate for each motor unit was calculated, and a regression analysis was performed against the corresponding recruitment thresholds. Results: The mean firing rate ranged from 15.9 to 23.9 pps and 15.8 to 20.6 pps on the dominant and nondominant sides, respectively. However, the early motor unit potentials of the nondominant lumbar erector spinae muscles were recruited at a lower firing rate. Conclusions: This technique may further our understanding of individuals with back pain and other underlying neuromuscular diseases.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School | ||||||||
Journal or Publication Title: | Muscle & Nerve | ||||||||
Publisher: | John Wiley & Sons Ltd. | ||||||||
ISSN: | 0148-639X | ||||||||
Official Date: | January 2017 | ||||||||
Dates: |
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Volume: | 55 | ||||||||
Number: | 1 | ||||||||
Page Range: | pp. 28-34 | ||||||||
DOI: | 10.1002/mus.25184 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
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