Document Detail

Voluntary control of agonist premotor silence preceding limb movements of maximal effort.
MedLine Citation:
PMID:  2608395     Owner:  NLM     Status:  MEDLINE    
The ability to gain voluntary control over agonist premotor silence through electromyographic (EMG) feedback was examined in healthy subjects performing maximal horizontal elbow flexions. Subjects exhibiting premotor silence on at least 50% of the pretest trials showed significantly greater peak angular velocity than subjects who produced the silent period on fewer than 20% of the trials during the pretest. The latter subjects acquired control of agonist premotor silence with practice and graphic feedback regarding their EMG patterns. The subjects who were the most successful in learning to produce the silent period increased their angular velocity to the level of the subjects who naturally exhibited the inhibition. The less successful subjects showed smaller increases in velocity. The data provide further evidence that premotor silence is primarily under central influence, that its control can be acquired, and that it may be functionally related to contractile rate.
C B Walter
Related Documents :
17405375 - Estimation of elbow-induced wrist force with emg signals using fast orthogonal search.
9166925 - Feedforward contraction of transversus abdominis is not influenced by the direction of ...
6529625 - Kinematic and emg reactions to imposed interlimb phase alterations during bipedal cycling.
6096195 - Electromyographic investigation in early diagnosis of carbon disulphide neuropathy: a s...
18699455 - Fast new technique for measuring the resonance frequencies of high q systems.
3026085 - The influence of cone adaptation upon rod mediated flicker.
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Perceptual and motor skills     Volume:  69     ISSN:  0031-5125     ISO Abbreviation:  Percept Mot Skills     Publication Date:  1989 Dec 
Date Detail:
Created Date:  1990-02-15     Completed Date:  1990-02-15     Revised Date:  2009-11-19    
Medline Journal Info:
Nlm Unique ID:  0401131     Medline TA:  Percept Mot Skills     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  819-26     Citation Subset:  IM; S    
Department of Physical Education, University of Illinois, Chicago 60680.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Biofeedback, Psychology / physiology*
Evoked Potentials / physiology
Muscle Contraction / physiology*
Muscles / physiology
Physical Exertion / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  Influence of age on proprioceptive accuracy in two dimensions.
Next Document:  A new method for teaching architectural studios: use of objective feedback to help design students r...