| Physiologic parameters and perceived exertion with local muscle fatigue in postpolio subjects. | |
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MedLine Citation:
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PMID: 2009046 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Fifty postpolio patients, 34 with and 16 without complaints of progressive loss of muscle strength, and 41 control subjects were studied to compare physiologic measures of the fatiguing process and to determine whether there is a significant interaction between the rating of perceived exertion (RPE) and physiologic measures. Statistical analyses were by ANOVA and repeated-measures ANOVA. The RPE was obtained every 20 seconds during an isometric contraction of the quadriceps at 40% of maximal torque; median frequency (Fm) of the power spectrum of the surface electromyographic signal and neuromuscular efficiency (NME) were constantly monitored. The RPE increased similarly (p greater than .05), whereas Fm and NME decreased similarly (p greater than .05) during endurance exercise at 40% of maximal torque in all three groups. A significant (p less than .05) interaction was found between RPE and both Fm and NME. We conclude that physiologic measures of the fatiguing process (Fm and NME) occur in a similar manner in postpolio and control subjects and that there is a significant interaction between subjective RPE and physiologic measures of the fatiguing process. |
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Authors:
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A A Rodriquez; J C Agre |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Archives of physical medicine and rehabilitation Volume: 72 ISSN: 0003-9993 ISO Abbreviation: Arch Phys Med Rehabil Publication Date: 1991 Apr |
Date Detail:
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Created Date: 1991-05-02 Completed Date: 1991-05-02 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 2985158R Medline TA: Arch Phys Med Rehabil Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 305-8 Citation Subset: AIM; IM; S |
Affiliation:
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Department of Rehabilitation Medicine, University of Wisconsin Medical School, University of Wisconsin-Madison 53702. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Electromyography Fatigue / physiopathology* Female Humans Isometric Contraction / physiology Male Multivariate Analysis Muscles / physiopathology* Physical Endurance / physiology Physical Exertion* Postpoliomyelitis Syndrome / physiopathology* |
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