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Utilize este identificador para citar ou criar um link para este item: http://acervodigital.unesp.br/handle/11449/129420
Título: 
Reliability of peak O-2 uptake and O-2 uptake kinetics in step exercise tests in healthy subjects
Autor(es): 
Instituição: 
  • Universidade Federal do Rio Grande do Sul (UFRGS)
  • Universidade Estadual Paulista (UNESP)
  • Queens Univ
  • Kingston Gen Hosp
ISSN: 
1569-9048
Financiador: 
Mato Grosso do Sul State Health Secretary
Resumo: 
To date little is known about the reliability of peak oxygen consumption (VO2pEAK) in incremental metronome paced step tests (1ST) and the reliability of on-kinetics VO2 has never been studied. We aimed to study the reliability of both tests. Eleven healthy subjects performed two ISTs until exhaustion. On two different days two duplicate 4 min constant metronome paced step tests (CST) were performed. VO2PEAK, mean response time (MRT) and phase II time constant (tau) were tested for reproducibility using the paired t-tests, in addition to the limits of agreement (LOA) and within subject coefficient of variation (COV). With a 95% LOA of 0.38 to 0.26 L min(-1), -8.7 to 9.1 s and -9.9 to 10.5 s they exhibit a COV of 3%, 4.5% and 6.9% for VO2PEAK, MRT and tau respectively. ST are sufficiently reliable for maximal and submaximal aerobic power assessments in healthy subjects and new studies of oxygen uptake kinetics in selected patient groups are warranted. (C) 2014 Elsevier B.V. All rights reserved.
Data de publicação: 
1-Fev-2015
Citação: 
Respiratory Physiology &neurobiology. Amsterdam: Elsevier Science Bv, v. 207, p. 7-13, 2015.
Duração: 
7-13
Publicador: 
Elsevier B.V.
Palavras-chaves: 
  • Aerobic
  • Exercise
  • Kinetics
  • Oxygen consumption
  • Reliability
  • Step tests
Fonte: 
http://www.sciencedirect.com/science/article/pii/S1569904814003255
Endereço permanente: 
Direitos de acesso: 
Acesso restrito
Tipo: 
outro
Fonte completa:
http://repositorio.unesp.br/handle/11449/129420
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