Is the six-minute walk test appropriate for detecting changes in cardiorespiratory fitness in healthy elderly men?

Is the six-minute walk test appropriate for detecting changes in cardiorespiratory fitness in healthy elderly men?

Author Santana, Marcos Gonçalves de Autor UNIFESP Google Scholar
Lira, Claudio Andre Barbosa de Google Scholar
Passos, Giselle Soares Autor UNIFESP Google Scholar
Santos, Carlos André Freitas dos Autor UNIFESP Google Scholar
Silva, Alan Herjes Oliveira da Autor UNIFESP Google Scholar
Yoshida, Cristina Hitomi Autor UNIFESP Google Scholar
Tufik, Sergio Autor UNIFESP Google Scholar
Mello, Marco Tulio de Autor UNIFESP Google Scholar
Institution Universidade Federal de São Paulo (UNIFESP)
Universidade Federal de Goiás (UFG)
Abstract Objectives: the purpose of this study was to determine whether the six-minute walk test (6-MWT) can detect changes in cardiorespiratory fitness (CRF) induced by exercise training in healthy elderly men.Design: Randomized and prospective controlled trial.Methods: Thirty-two healthy untrained men, between 65 and 75 years of age, were randomly assigned to one of three groups: control (C, n=12), endurance training (E, n=10), or concurrent training (ER, n = 10). Training groups underwent 24 weeks of exercise, 3 times a week. All participants were subjected to cardiopulmonary exercise testing and the 6-MWT, before and after the training period.Results: At follow-up, the E and ER groups had significantly higher peak oxygen uptake ((V) over dotO(2) peak) (15.0 +/- 9.1 and 12.6 +/- 10.4%, respectively) and 6-MWT distances (5.5 +/- 5.3 and 4.6 +/- 2.8%, respectively) compared to the C group. in pre-intervention (n = 32), the 6-MWT distance correlated positively with ((V) over dotO(2) peak) (r = 0.51, p = 0.001) and (V) over dotO(2) at anaerobic threshold (r = 0.39, p = 0.010). On the other hand, there was no significant correlation between the changes (after before) in the 6-MWT distance and (V) over dotO(2) peak (E and ER groups: r=0.38, p=0.097).Conclusions: the 6-MWT is not appropriate to evaluate changes in CRF in healthy elderly men who performed endurance and concurrent training for 24 weeks. (C) 2011 Sports Medicine Australia. Published by Elsevier B.V. All rights reserved.
Keywords Concurrent training
Physical activity
Older adults
Incremental exercise test
Functional capacity
Language English
Date 2012-05-01
Published in Journal of Science and Medicine in Sport. Oxford: Elsevier B.V., v. 15, n. 3, p. 259-265, 2012.
ISSN 1440-2440 (Sherpa/Romeo, impact factor)
Publisher Elsevier B.V.
Extent 259-265
Access rights Closed access
Type Article
Web of Science ID WOS:000304796900014

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