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  • Title: Shuttle walking test in obese women: test-retest reliability and concurrent validity with peak oxygen uptake.
    Author: Jürgensen SP, Trimer R, Dourado VZ, Di Thommazo-Luporini L, Bonjorno-Junior JC, Oliveira CR, Arena R, Mendes RG, Borghi-Silva A.
    Journal: Clin Physiol Funct Imaging; 2015 Mar; 35(2):120-6. PubMed ID: 24589245.
    Abstract:
    OBJECTIVE: The 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. METHODS: Prospective study with a convenient sample of 46 community-dwelling obese women (BMI > 30 kg m(-2) ). The main outcome measures were walking distance on the ISWT and peak VO2 . RESULTS: Test-retest reliability was good to excellent for the exercise tests (ISWT distance ICC: 0.90; and CPX peak VO2 ICC: 0.90). Peak VO2 obtained during CPX correlated significantly with ISWT distance (r = 0.54, P<0.05) and peak VO2 obtained during the ISWT (r = 0.64, P<0.05). Bland and Altman plots demonstrated a high degree of repeatability. CONCLUSION: The 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.
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