NDLI: Reliability of bloodflux measurements from the upper trapezius muscle during muscle contractions

Content Provider	Springer Nature Link
Author	Røe, Cecilie Damsgård, Elin Knardahl, Stein
Copyright Year	2007
Abstract	The aim of this study was to assess the blood flux responses to isometric contractions and recovery. We also wanted to assess the variations in Laser Doppler blood fluxes (LDF) within the upper trapezius muscles, the concordance between the left and right sides and the reliability of blood-flux measurements between contractions and over measurement days. Ten subjects, mean age 25 years (21–35 years), performed two isometric shoulder abduction contractions at 10% of maximal voluntary contraction torque (MVC), repeated on two separate days. LDF were measured in three sites in the upper trapezius muscles bilaterally. Mean arterial pressure, heart rate and electromyography from the upper trapezius muscles was also recorded. The reliability of blood flux measurements during rest and contractions are good; however, considerable variations between positions and between measurements in different muscles were observed. Laser-Doppler measurement of microcirculation is a promising method. Considerable variations between measurement sites, muscles, and variations over measurement days indicate caution with interpretation of blood flux responses between conditions and individuals.
Starting Page	497
Ending Page	503
Page Count	7
File Format	PDF
ISSN	14396319
Journal	European Journal of Applied Physiology
Volume Number	102
Issue Number	5
e-ISSN	14396327
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-11-15
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Blood flow Muscle activity Muscle pain Isometric Contraction Laser Doppler method Sports Medicine Occupational Medicine/Industrial Medicine Human Physiology
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Physiology (medical) Public Health, Environmental and Occupational Health Sports Science

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