Document Detail


Muscle damaging exercise affects isometric force fluctuation as well as intraindividual variability of cognitive function.
MedLine Citation:
PMID:  20418220     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
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.
Authors:
Albertas Skurvydas; Marius Brazaitis; Sigitas Kamandulis; Saule Sipaviciene
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of motor behavior     Volume:  42     ISSN:  1940-1027     ISO Abbreviation:  J Mot Behav     Publication Date:    2010 May-Jun
Date Detail:
Created Date:  2010-05-11     Completed Date:  2010-08-10     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0236512     Medline TA:  J Mot Behav     Country:  United States    
Other Details:
Languages:  eng     Pagination:  179-86     Citation Subset:  IM    
Affiliation:
Laboratory of Human Motorics, Department of Applied Physiology and Physiotherapy, Lithuanian Academy of Physical Education, Kaunas, Lithuania. a.skurvydas@lkka.lt
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MeSH Terms
Descriptor/Qualifier:
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:
EC 2.7.3.2/Creatine Kinase

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


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