Document Detail

The influence of external compression on muscle blood flow during exercise.
MedLine Citation:
PMID:  2301694     Owner:  NLM     Status:  MEDLINE    
Intramuscular pressures and muscle blood flow were measured in the anterior tibial muscle during dynamic concentric exercise in 14 subjects. Pressures were recorded by the microcapillary infusion method and muscle blood flow by the 133-Xenon clearance technique. Muscle blood flow during constant exercise decreased from 34.5 (SD = 10.3) to 10.6 (SD = 4.9) ml/100 g/min (P less than 0.001) when muscle relaxation pressure was increased from 13.5 (SD = 2.7) to 39.9 (SD = 9.0) mm Hg by external compression. Muscle relaxation pressure during exercise is the intramuscular pressure between contractions. External compression of the lower limb during exercise impedes muscle blood flow by increasing muscle relaxation pressure. The experimental model seems suitable to study the influence of external compression by knee braces on intramuscular pressure during exercise.
J Styf
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The American journal of sports medicine     Volume:  18     ISSN:  0363-5465     ISO Abbreviation:  Am J Sports Med     Publication Date:    1990 Jan-Feb
Date Detail:
Created Date:  1990-03-13     Completed Date:  1990-03-13     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7609541     Medline TA:  Am J Sports Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  92-5     Citation Subset:  IM; S    
Department of Orthopedics, University of Göteborg, Sweden.
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MeSH Terms
Exercise / physiology*
Muscles / blood supply*,  physiology
Regional Blood Flow
Xenon Radioisotopes / diagnostic use
Reg. No./Substance:
0/Xenon Radioisotopes

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

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