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Scaling behaviour of VO2 in athletes and untrained individualsMarković, Goran, 1975- ; Vučetić, Vlatko ; Nevill, Michael AlanObjective: 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.Source: Annals of human biology. - ISSN 0301-4460 (Vol. 34, no. 3, May-Jun. 2007, str. 315-328)Type of material - article, component part ; adult, seriousPublish date - 2007Language - englishCOBISS.SI-ID - 1541876420
Author
Marković, Goran, 1975- |
Vučetić, Vlatko |
Nevill, Michael Alan
Topics
body size |
metabolism |
resting metabolic rate |
maximum oxygen uptake |
exercise |
presnova |
hitrost |
telesna masa |
poraba kisika |
vadba
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Marković, Goran, 1975- | 53981 |
Vučetić, Vlatko | |
Nevill, Michael Alan |
Source: Personal bibliographies
and: SICRIS
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