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  • Scaling behaviour of VO2 in athletes and untrained individuals
    Marković, Goran, 1975- ; Vučetić, Vlatko ; Nevill, Michael Alan
    Objective: The present study analysed the allometric relationship (MR%=%a%%%Mb) between human metabolic rate (MR), ranging from resting to maximal metabolic conditions, and body mass (M%), both in ... athletes of different specialization and untrained individuals. Subjects and methods: Two hundred and seventy male athletes and 43 untrained men performed a continuous incremental test to volitional exhaustion on a motorized treadmill. Metabolic rate (i.e. ) was measured during resting (), sub-maximal (walking at 5%km%h%1%; running at 7.5%km%h%1%; ventilatory anaerobic threshold ) and maximal exercise conditions (maximum oxygen uptake ). Results: A significant difference (%p%<%0.001) in the MR%body mass relationships between athletes and controls was found. For the control group, the mass exponent b exhibited a non-significant (%p%=%0.37) increase with increasing metabolic demand (b%=%0.69, 0.76, 0.76, 0.84, and 0.89, for , , , , and , respectively). In contrast, the corresponding mass exponent for the athletic group significantly (%p%<%0.01) decreased when moving from resting to maximal metabolic conditions (b%=%0.98, 0.88, 0.80, 0.69, and 0.67). Conclusion: These results indicate that the recently proposed allometric cascade model may be valid in describing the scaling behaviour of MR in untrained individuals, but not in athletes of different specialization.
    Vir: Annals of human biology. - ISSN 0301-4460 (Vol. 34, no. 3, May-Jun. 2007, str. 315-328)
    Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasle
    Leto - 2007
    Jezik - angleški
    COBISS.SI-ID - 1541876420

    Povezava(-e):

    https://www.tandfonline.com/doi/pdf/10.1080/03014460701219358

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    DOI

vir: Annals of human biology. - ISSN 0301-4460 (Vol. 34, no. 3, May-Jun. 2007, str. 315-328)

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