| Non-uniform decay in jumping exercise-induced bone gains following 12 and 24 weeks of cessation of exercise in rats. | |
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MedLine Citation:
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PMID: 21870136 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The effects of deconditioning on exercise-induced bone gains in rats were investigated in 12-week-old female WKY rats performing a standard jumping exercise regimen for either 8, 12 or 24 weeks, followed by sedentary periods of either 24, 12 or 0 weeks, respectively. Age-matched controls received no exercise over the same period. At the end of the training/sedentary period, the tibiae were harvested for analyses of bone parameters. Gains in tibial fat-free dry weight decayed within 12 weeks of deconditioning, but gains in tibial ultimate bending force (strength), maximum diameter and cortical area were still present at 12 weeks of deconditioning. With the exception of cortical area, all other exercise-induced bone gains decayed by the 24th week of deconditioning. It appears that the decay in exercise-induced bone gains in strength, physical and morphological properties is not uniform, and that gains in fat-free dry weight seem to decay earlier. |
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Authors:
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Foong-Kiew Ooi; Rabindarjeet Singh; Harbindar Jeet Singh; Yoshohisa Umemura; Seigo Nagasawa |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-8-26 |
Journal Detail:
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Title: The journal of physiological sciences : JPS Volume: - ISSN: 1880-6562 ISO Abbreviation: - Publication Date: 2011 Aug |
Date Detail:
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Created Date: 2011-8-26 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101262417 Medline TA: J Physiol Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Sports Science Unit, Universiti Sains Malaysia, Kubang Kerian, Malaysia. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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