The electromyographical basis of inaccurate motor performance

Brown J.M.M. and Bronks R. (1988) The electromyographical basis of inaccurate motor performance. European Journal of Applied Physiology and Occupational Physiology, 58 1-2: 132-140. doi:10.1007/BF00636616


Author Brown J.M.M.
Bronks R.
Title The electromyographical basis of inaccurate motor performance
Journal name European Journal of Applied Physiology and Occupational Physiology   Check publisher's open access policy
ISSN 0301-5548
Publication date 1988-01-01
Sub-type Article (original research)
DOI 10.1007/BF00636616
Open Access Status Not yet assessed
Volume 58
Issue 1-2
Start page 132
End page 140
Total pages 9
Publisher Springer-Verlag
Subject 1314 Physiology
2739 Public Health, Environmental and Occupational Health
Abstract The aim of this study was to investigate the electromyographical basis of inaccurate movement by identifying the variate and invariate characteristics of a ballistic, isometric precision-grip skill. Our results have shown that in most subjects investigated, IEMG, discharge rate and the paterns of muscle synergy were variate movement parameters while the sequence of muscle activation, the relative duration of muscle activity and the time to peak force (rise-time) remained essentially invariante. Based on these results, we can conclude that inaccurate performance of this skill, in most of the subjects investigated, was more dependant upon changes in muscle IEMG than in alterations in the temporal sequencing of muscle activity. It was apparent that from trial to trial, subjects had more difficulty in reproducing the appropriate levels of muscle contraction and synergy than in reproducing the required periods of action.
Keyword Electromyography
Inaccuracy
Isometric
Motor control
Motor skill
Q-Index Code C1
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 13 Sep 2016, 10:24:00 EST by System User