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Thyroid hormone levels during a 3-week professional road cycling competition

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dc.contributor.author López Chicharro, José
dc.contributor.author Hoyos, J.
dc.contributor.author Bandrés Moya, Fernando
dc.contributor.author Terrados Cepeda, Nicolás
dc.contributor.author Fernández, Benjamín
dc.contributor.author Lucía Mulas, Alejandro
dc.date.accessioned 2016-09-07T07:50:47Z
dc.date.available 2016-09-07T07:50:47Z
dc.date.issued 2001
dc.identifier.citation López Chicharro, J., Hoyos, J., Bandrés, F., Terrados Cepeda, N., Fernández, B., & Lucía Mulas, A. (2001). Thyroid hormone levels during a 3-week professional road cycling competition. Hormone Research, 56(5-6), 159-164. spa
dc.identifier.issn 03010163
dc.identifier.uri http://hdl.handle.net/11268/5722
dc.description.abstract The aim of this investigation was to examine the thyroid hormone levels of professional cyclists during a 3-week stage competition (Vuelta a España 1998). The study population was made up of 16 male cyclists from two world-leading professional teams. Four blood samples were drawn (between 07:00 and 09:00 a.m.) from each participant before and at the end of the 1st, 2nd and 3rd weeks of competition. 3,5,3′ (-Triiodothyronine (T3), free T3 (FT3), thyroxine (T4), free T4 (FT4) and thyroid-stimulating hormone (TSH) were determined in each blood sample by radioimmunoassay. Serum T4, FT4 and FT3 levels showed a significant increase (p<0.05) by the last week of competition while concentrations of TSH and T3 remained unchanged. In conclusion, 3 weeks of competition provokes changes in basal thyroid hormone concentrations in professional road cyclists. spa
dc.description.sponsorship SIN FINANCIACIÓN spa
dc.language.iso eng spa
dc.title Thyroid hormone levels during a 3-week professional road cycling competition spa
dc.type article spa
dc.description.impact 1.122 JCR (2001) Q3, 66/90 Endocrinology & metabolism spa
dc.identifier.doi 10.1159/000048112
dc.rights.accessRights openAccess spa
dc.subject.uem Hormonas tiroideas spa
dc.subject.uem Medicina deportiva spa
dc.subject.uem Ciclismo spa
dc.subject.unesco Hormona spa
dc.subject.unesco Medicina deportiva spa
dc.description.filiation UEM spa
dc.peerreviewed Si spa


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