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Resistive vibration exercise during bed-rest reduces motor control changes in the lumbo-pelvic musculature

Belavý, Daniel L., Wilson, Stephen J., Armbrecht, Gabriele, Rittweger, Jorn, Felsenberg, Dieter and Richardson, Carolyn A. 2012, Resistive vibration exercise during bed-rest reduces motor control changes in the lumbo-pelvic musculature, Journal of electromyography and kinesiology, vol. 22, no. 1, pp. 21-30, doi: 10.1016/j.jelekin.2011.09.009.

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Title Resistive vibration exercise during bed-rest reduces motor control changes in the lumbo-pelvic musculature
Author(s) Belavý, Daniel L.ORCID iD for Belavý, Daniel L. orcid.org/0000-0002-9307-832X
Wilson, Stephen J.
Armbrecht, Gabriele
Rittweger, Jorn
Felsenberg, Dieter
Richardson, Carolyn A.
Journal name Journal of electromyography and kinesiology
Volume number 22
Issue number 1
Start page 21
End page 30
Total pages 10
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2012-02
ISSN 1873-5711
Keyword(s) Science & Technology
Life Sciences & Biomedicine
Neurosciences
Physiology
Rehabilitation
Sport Sciences
Neurosciences & Neurology
REHABILITATION, SCI
Spaceflight
Timing
Signal processing
Phasic
Body composition
Low back pain
ISOMETRIC AXIAL ROTATION
WHOLE-BODY VIBRATION
MUSCLE-ACTIVITY
WEIGHTBEARING EXERCISE
SKILL ACQUISITION
SKELETAL-MUSCLE
TRUNK MUSCLES
BACK MUSCLES
HIP EXTENSOR
EMG
Summary To understand the effects of a resistive vibration exercise (RVE) countermeasure on changes in lumbo-pelvic muscle motor control during prolonged bed-rest, 20 male subjects took part in the Berlin Bed-Rest Study (in 2003-2005) and were randomised to a RVE group or an inactive control group. Surface electromyographic signals recorded from five superficial lumbo-pelvic muscles during a repetitive knee movement task. The task, which required stabilisation of the lumbo-pelvic region, was performed at multiple movement speeds and at multiple time points during and after bed-rest. After excluding effects that could be attributed to increases in subcutaneous fat changes and improvements in movement skill, we found that the RVE intervention ameliorated the generalised increases in activity ratios between movement speeds (p⩽0.012), reductions in lumbo-pelvic extensor and flexor co-contraction (p=0.058) and increases in root-mean-square electromyographic amplitude (p=0.001) of the lumbar erector spinae muscles. Effects of RVE on preventing increases in amplitude-modulation (p=0.23) of the lumbar erector spinae muscles were not significant. Few significant changes in activation-timing were seen. The RVE intervention during bed-rest, with indirect loading of the spine during exercise, was capable of reducing some, but not all, motor control changes in the lumbo-pelvic musculature during and after bed-rest.
Language eng
DOI 10.1016/j.jelekin.2011.09.009
Field of Research 110699 Human Movement and Sports Science not elsewhere classified
Socio Economic Objective 920299 Health and Support Services not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2012, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30071056

Document type: Journal Article
Collection: School of Exercise and Nutrition Sciences
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