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Submaximal delayed-onset muscle soreness: correlations between MR imaging findings and clinical measuresPURPOSE: To assess correlations between muscle edema on magnetic resonance (MR) images and clinical indexes of muscle injury in delayed-onset muscle soreness (DOMS) produced by submaximal exercise protocols. MATERIALS AND METHODS: Sixteen subjects performed 36 elbow flexions ("biceps curls") at one of two submaximal workloads that emphasized eccentric contractions. Changes in MR imaging findings, plasma levels of creatine kinase, and pain scores were correlated. RESULTS: Both exercise protocols produced DOMS in all subjects. The best correlation was between change in creatine kinase level and volume of muscle edema on MR images, regardless of the workload. Correlations tended to be better with the easier exercise protocol. CONCLUSION: Whereas many previous studies of DOMS focused on intense exercise protocols to ensure positive results, the present investigation showed that submaximal workloads are adequate to produce DOMS and that correlations between conventionally measured indexes of injury may be enhanced at lighter exercise intensities.
Document ID
20040172582
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Evans, G. F.
(University of Texas Southwestern Medical Center Dallas 75235-8896, United States)
Haller, R. G.
Wyrick, P. S.
Parkey, R. W.
Fleckenstein, J. L.
Blomqvist, C. G.
Date Acquired
August 22, 2013
Publication Date
September 1, 1998
Publication Information
Publication: Radiology
Volume: 208
Issue: 3
ISSN: 0033-8419
Subject Category
Life Sciences (General)
Distribution Limits
Public
Copyright
Other
Keywords
Clinical Trial
Non-NASA Center
NASA Discipline Cardiopulmonary
Randomized Controlled Trial

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