Effect of fatiguing bicycle exercise on thyroid hormone and testosterone levels in sedentary males supplemented with oral zinc

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dc.contributor.authorKilic, Mehmet
dc.date.accessioned2020-03-26T17:17:16Z
dc.date.available2020-03-26T17:17:16Z
dc.date.issued2007
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractOBJECTIVE: The aim of this study was to determine how exercise affects thyroid hormones and testosterone levels in sedentary men receiving oral zinc for 4 weeks. METHODS: The study included 10 volunteers (mean age, 19.47 +/- 1.7 years) who did not exercise. All subjects received supplements of oral zinc sulfate (3 mg/kg/day) for 4 weeks and their normal diets. The thyroid hormone and testosterone levels of all subjects were determined at rest and after bicycle exercise before and after zinc supplementation. RESULTS: TT3, TT4, FT3, and total and free testosterone levels decreased after exercise compared to resting levels before supplementation (p<0.01). Both the resting and fatigue hormone values were higher after 4 weeks of supplementation than the resting and fatigue values before supplementation (p<0.05). CONCLUSION: The results indicate that exercise decreases thyroid hormones and testosterone in sedentary men; however, zinc supplementation prevents this decrease. Administration of a physiologic dose of zinc can be beneficial to performance.en_US
dc.identifier.endpage685en_US
dc.identifier.issn0172-780Xen_US
dc.identifier.issue5en_US
dc.identifier.pmid17984944en_US
dc.identifier.scopusqualityQ4en_US
dc.identifier.startpage681en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12395/21336
dc.identifier.volume28en_US
dc.identifier.wosWOS:000251986200033en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherMAGHIRA & MAAS PUBLICATIONSen_US
dc.relation.ispartofNEUROENDOCRINOLOGY LETTERSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectsedentaryen_US
dc.subjectexhaustionen_US
dc.subjectcycle exerciseen_US
dc.subjectzinc supplementationen_US
dc.titleEffect of fatiguing bicycle exercise on thyroid hormone and testosterone levels in sedentary males supplemented with oral zincen_US
dc.typeArticleen_US

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