Document Detail


Changes in human muscle oxygen saturation and mean fiber conduction velocity during intense dynamic exercise-effect of muscular training status.
MedLine Citation:
PMID:  22996286     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Introduction: In this study we investigated whether an association exists between muscle fiber conduction velocity (MFCV) and local muscle oxygen saturation (StO(2) ) in the superficial part of the latissimus dorsi muscle of runners and swimmers during exhaustive dynamic exercise. Methods: Participants performed arm cranking with increasing intensity until exhaustion. Results: Runners' MFCV was unchanged with increasing arm-cranking exercise intensity, but was higher (P < 0.05) than swimmers' MFCV at the same workload. Swimmers' MFCV increased (P < 0.05) with increasing exercise intensity and reached values at exhaustion similar to those of the runners. StO(2) was similar in swimmers and runners at rest and decreased with increasing exercise intensity. StO(2) was higher (P < 0.05) at the same workload in swimmers compared with runners. StO(2) and MFCV were significantly but very weakly correlated in both swimmers and runners. Conclusion: No association exists between surface MFCV and StO(2) in either trained or untrained human skeletal muscle during exhaustive intense dynamic exercise. Muscle Nerve, 2012.
Authors:
Anders Kilen; Leonardo Gizzi; Bente Rona Jensen; Dario Farina; Nikolai Baastrup Nordsborg
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-20
Journal Detail:
Title:  Muscle & nerve     Volume:  -     ISSN:  1097-4598     ISO Abbreviation:  Muscle Nerve     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-9-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7803146     Medline TA:  Muscle Nerve     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Wiley Periodicals, Inc.
Affiliation:
Department of Exercise and Sport Sciences, University of Copenhagen, Universitetsparken 13, 2100 Copenhagen, Denmark.
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