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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/62006

    Título
    Adequacy of an altitude fitness program (Living and Training) plus intermittent exposure to hypoxia for improving hematological biomarkers and sports performance of elite athletes: A single-blind randomized clinical trial
    Autor
    Fernández Lázaro, DiegoAutoridad UVA
    Mielgo Ayuso, Juan FranciscoAutoridad UVA Orcid
    SantaMaría Gómez, GemaAutoridad UVA
    Gutiérrez Abejón, EduardoAutoridad UVA Orcid
    Domínguez Ortega, Carlos
    García Lázaro, Sandra MaríaAutoridad UVA Orcid
    Seco Calvo, Jesús
    Año del Documento
    2022
    Editorial
    MDPI
    Descripción
    Producción Científica
    Documento Fuente
    International Journal of Environmental Research and Public Health, 2022, Vol. 19, Nº. 15, 9095
    Resumo
    Athletes incorporate altitude training programs into their conventional training to improve their performance. The purpose of this study was to determine the effects of an 8-week altitude training program that was supplemented with intermittent hypoxic training (IHE) on the blood biomarkers, sports performance, and safety profiles of elite athletes. In a single-blind randomized clinical trial that followed the CONSORT recommendations, 24 male athletes were randomized to an IHE group (HA, n = 12) or an intermittent normoxia group (NA, n = 12). The IHE consisted of 5-min cycles of hypoxia–normoxia with an FIO2 of between 10–13% for 90 min every day for 8 weeks. Hematological (red blood cells, hemoglobin, hematocrit, hematocrit, reticulated hemoglobin, reticulocytes, and erythropoietin), immunological (leukocytes, monocytes, and lymphocytes), and renal (urea, creatinine, glomerular filtrate, and total protein) biomarkers were assessed at the baseline (T1), day 28 (T2), and day 56 (T3). Sports performance was evaluated at T1 and T3 by measuring quadriceps strength and using three-time trials over the distances of 60, 400, and 1000 m on an athletics track. Statistically significant increases (p < 0.05) in erythropoietin, reticulocytes, hemoglobin, and reticulocyte hemoglobin were observed in the HA group at T3 with respect to T1 and the NA group. In addition, statistically significant improvements (p < 0.05) were achieved in all performance tests. No variations were observed in the immunological or renal biomarkers. The athletes who were living and training at 1065 m and were supplemented with IHE produced significant improvements in their hematological behavior and sports performance with optimal safety profiles.
    Materias (normalizadas)
    Hypoxia
    Hipoxia
    Athletes
    Deportistas profesionales
    Oxygen
    Oxígeno
    Blood biomarkers
    Blood - Circulation
    Circulación sanguínea
    Sports performance
    Entrenamiento (Deportes)
    Safety profile
    Altitude training
    Public health
    Materias Unesco
    2411.06 Fisiología del Ejercicio
    3212 Salud Publica
    ISSN
    1660-4601
    Revisión por pares
    SI
    DOI
    10.3390/ijerph19159095
    Version del Editor
    https://www.mdpi.com/1660-4601/19/15/9095
    Propietario de los Derechos
    © 2022 The Authors
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/62006
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • DEP05 - Artículos de revista [198]
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    Universidad de Valladolid

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