Document Detail

Changes on plasmatic and erythrocytic magnesium levels after high-intensity exercises in men.
MedLine Citation:
PMID:  1409959     Owner:  NLM     Status:  MEDLINE    
The aim of this paper was investigate the effects of high-intensity exercise on plasmatic and erythrocytic Mg levels in men. Twelve normal male volunteers participated in this study. The tests were performed on a cycle-ergometer (Monark). The exercise programs consisted of: 1) triangular progressive test (TPT); 2) interval endurance test (IET), of 45 min duration; and 3) maximal subtained test (MST), consisting of a maximal level, at 100% of MTP, for at least 7 min. The percent change in plasma volume (%PV) after exercise was calculated. Magnesium levels in plasma and erythrocytes were measured by atomic absorption spectrophotometry. No significant differences in the absolute Mg concentration of plasma were noted for the three maximal exercises. The percentage increase in plasma Mg concentrations was about 5-7%; however, percent decrease of PV was more important (13-16%). Erythrocytic Mg levels were increased after all maximal exercises (TPT, IET, and MST), although absolute Mg concentrations were not significantly different.
A Cordova
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Physiology & behavior     Volume:  52     ISSN:  0031-9384     ISO Abbreviation:  Physiol. Behav.     Publication Date:  1992 Oct 
Date Detail:
Created Date:  1992-11-23     Completed Date:  1992-11-23     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0151504     Medline TA:  Physiol Behav     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  819-21     Citation Subset:  IM    
Department of Physiology and Biochemistry, Faculty of Medicine-CUS, University of Valladolid, Soria, Spain.
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MeSH Terms
Blood Volume / physiology
Energy Metabolism / physiology
Erythrocytes / metabolism*
Exercise / physiology*
Exercise Test
Magnesium / blood*
Physical Endurance / physiology
Reference Values
Reg. No./Substance:

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

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