| Exercise-induced amplitude modification of physiological action tremor of the ankle. | |
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MedLine Citation:
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PMID: 7174409 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To determine whether exercise would affect physiological action tremor (PAT), normal male and female subjects exercised either by running or lifting weights. Surface electromyograms and acceleration recordings were analyzed using power spectral techniques to quantitate variations in amplitude and/or frequency of PAT. The results of this study show that running causes an increase in the amplitude of PAT. By having subjects run successively longer distances, a graded increase in amplitude of PAT was observed. After the subjects ran for long periods of time, PAT continued as an overt continuous oscillation. This oscillation did not greatly differ from pathological clonus. Furthermore, exercising the upper body alone by lifting weights increased the amplitude of PAT of the ankle. The results suggest that the exercise may cause alterations in the gain of the spinal reflexes which may lead to an underdamping of PAT. As the gain of the reflexes controlling PAT increases, this may lead to overt continuous oscillations, such as physiological or pathological clonus. |
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Authors:
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P A Iaizzo; R S Pozos |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of applied physiology: respiratory, environmental and exercise physiology Volume: 53 ISSN: 0161-7567 ISO Abbreviation: J Appl Physiol Publication Date: 1982 Nov |
Date Detail:
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Created Date: 1983-02-14 Completed Date: 1983-02-14 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 7801242 Medline TA: J Appl Physiol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1164-70 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Ankle
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physiology* Electromyography Female Humans Male Movement* Physical Exertion* Running |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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