| Habitual resistance exercise and endothelial ischemia-reperfusion injury in young adults. | |
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MedLine Citation:
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PMID: 21840524 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Resistance exercise involves muscular contractions that can render downstream tissues ischemic and may precondition the vasculature against ischemia-reperfusion (IR) injury, but it is unknown if habitual resistance exercise protects against IR injury in humans. We determined the magnitude and recovery from endothelial IR injury induced by forearm occlusion in 22 healthy young sedentary and resistance-trained adults. After IR injury, brachial artery flow-mediated dilation (FMD) significantly decreased by 36% in sedentary, but not resistance-trained subjects and fully recovered within 45min. Though HDL-cholesterol, handgrip strength and systolic blood pressure were significantly associated with FMD 15min after IR injury, the change in FMD from before to 15min after IR injury was not associated with any subject characteristics. These results are consistent with the notion that habitual resistance exercise may protect against endothelial IR injury in young adults, presumably through effects analogous to ischemic preconditioning. |
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Authors:
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Allison E Devan; Daniel Umpierre; Hsin-Fu Lin; Michelle L Harrison; Takashi Tarumi; Mandeep Dhindsa; Stacy D Hunter; Shawn M Sommerlad; Hirofumi Tanaka |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-7-26 |
Journal Detail:
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Title: Atherosclerosis Volume: - ISSN: 1879-1484 ISO Abbreviation: - Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-8-15 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0242543 Medline TA: Atherosclerosis Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ireland Ltd. All rights reserved. |
Affiliation:
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Cardiovascular Aging Research Laboratory, Department of Kinesiology and Health Education, The University of Texas at Austin, Bellmont Hall 222, D3700, Austin, TX 78712, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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