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Title: Shuttle walking test in obese women: test-retest reliability and concurrent validity with peak oxygen uptake
Authors: Juergensen, Soraia P.
Trimer, Renata
Dourado, Victor Zuniga [UNIFESP]
Di Thommazo-Luporini, Luciana
Bonjorno-Junior, Jose C.
Oliveira, Claudio R.
Arena, Ross
Mendes, Renata G.
Borghi-Silva, Audrey
Universidade Federal de São Carlos (UFSCar)
Universidade Federal de São Paulo (UNIFESP)
Universidade de São Paulo (USP)
Univ Illinois
Keywords: cardiopulmonary response
metabolic stress
oxygen uptake
physical capacity
submaximal exercise testing
Issue Date: 1-Mar-2015
Publisher: Wiley-Blackwell
Citation: Clinical Physiology and Functional Imaging. Hoboken: Wiley-Blackwell, v. 35, n. 2, p. 120-126, 2015.
Abstract: ObjectiveThe aim of this study was to evaluate the test-retest reliability, concurrent validity and agreement with peak oxygen uptake (VO2) obtained during cardiopulmonary exercise testing (CPX) on a treadmill for the incremental shuttle walking test (ISWT) in obese women.MethodsProspective study with a convenient sample of 46 community-dwelling obese women (BMI>30kgm(-2)). the main outcome measures were walking distance on the ISWT and peak VO2.ResultsTest-retest reliability was good to excellent for the exercise tests (ISWT distance ICC: 090; and CPX peak VO2 ICC: 090). Peak VO2 obtained during CPX correlated significantly with ISWT distance (r=054, P<005) and peak VO2 obtained during the ISWT (r=064, P<005). Bland and Altman plots demonstrated a high degree of repeatability.ConclusionThe ISWT had excellent reliability as well as good concurrent validity and agreement. the ISWT may be a potential tool for monitoring clinical status and intervention efficacy (e.g. programmes for weight loss and rehabilitative strategies) in this population.
ISSN: 1475-0961
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