| Muscle damaging exercise affects isometric force fluctuation as well as intraindividual variability of cognitive function. | |
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MedLine Citation:
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PMID: 20418220 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Healthy untrained men (N = 11) were asked to perform 10 series of 12 repetitions of knee eccentric extension (EE) at 160 degrees per second. Quadriceps muscle torques evoked by electrical stimulation at 20 Hz (P20) and 100 Hz (P100), maximal voluntary isometric contraction torque (MVC), maximal isokinetic concentric torque (IT) at 30 degrees per second, voluntary activation index (VA), simple reaction time (RTs), complex reaction time (RTc), and torque variability at 30% of MVC were measured before EE, immediately after EE, and 60 min and 24 hr after EE. MVC, IT, P20, P100, and VA decreased significantly after EE and remained depressed 24 hr later. Torque variability increased significantly after EE. Average RTs and RTc did not change after EE, whereas intraindividual variability in RTs and RTc increased significantly after EE. |
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Authors:
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Albertas Skurvydas; Marius Brazaitis; Sigitas Kamandulis; Saule Sipaviciene |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of motor behavior Volume: 42 ISSN: 1940-1027 ISO Abbreviation: J Mot Behav Publication Date: 2010 May-Jun |
Date Detail:
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Created Date: 2010-05-11 Completed Date: 2010-08-10 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0236512 Medline TA: J Mot Behav Country: United States |
Other Details:
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Languages: eng Pagination: 179-86 Citation Subset: IM |
Affiliation:
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Laboratory of Human Motorics, Department of Applied Physiology and Physiotherapy, Lithuanian Academy of Physical Education, Kaunas, Lithuania. a.skurvydas@lkka.lt |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Body Temperature Cognition / physiology* Creatine Kinase / blood Electric Stimulation Exercise / physiology* Humans Isometric Contraction / physiology* Knee / physiology Male Muscle Fatigue / physiology Neuropsychological Tests Pain Quadriceps Muscle / physiology* Reaction Time Time Factors Young Adult |
| Chemical | |
Reg. No./Substance:
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EC 2.7.3.2/Creatine Kinase |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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