Document Detail


Effect of filter setting on the electromyographic parameters of muscles contracting to fatigue.
MedLine Citation:
PMID:  2702958     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The effects of various filter settings on the electrophysiological behavior of the development of muscular fatigue were studied. Eleven healthy volunteers were examined during isometric contraction of biceps brachii and rectus femoris against a constant load until fatigue occurred. The electrical activity was taped and computer processing was carried out at the basic setting of 15-5000 cycles and at low (15-200 Hz) and high (200-5000 Hz) frequence filter. The results support the hypothesis that in the low range of frequencies there is a high density of large slow motor units, while in the high range of frequencies there are numerous small fast motor units.
Authors:
M Shochina; J J Vatine; Y Mahler; B Gonen; A Magora
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Electromyography and clinical neurophysiology     Volume:  29     ISSN:  0301-150X     ISO Abbreviation:  Electromyogr Clin Neurophysiol     Publication Date:    1989 Jan-Feb
Date Detail:
Created Date:  1989-05-22     Completed Date:  1989-05-22     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0327533     Medline TA:  Electromyogr Clin Neurophysiol     Country:  BELGIUM    
Other Details:
Languages:  eng     Pagination:  3-8     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Action Potentials
Electrodes
Electromyography / instrumentation*,  methods
Fatigue / physiopathology*
Filtration / instrumentation,  methods
Humans
Muscle Contraction*

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


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