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    Cross validation of Rockport II

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    Fry_Sara_Thesis.pdf (600.4Kb)
    Date
    2015-05
    Author
    Fry, Sara L.
    Department
    Clinical Exercise Physiology
    Advisor(s)
    Foster, Carl
    Metadata
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    Abstract
    Introduction: The purpose of this study is to cross validate two new equations for the Rockpo1t 1-mile walking test to n1ore accurately predicted V02max and V02 at the Ventilatory Threshold (VT). Methods: Eighty-nine subjects perfor1ned a tread1nill-based V02max test and a brisk l-1nile walk test. Equations were formulated from 71 of the subjects. The data from the remaining 18 subjects was used to cross-validate the new equations. Results: The two equations were: Predicted V02n1ax = 31.142 - ((1.13 - (Walk time))-(.305(final RPE); R'= 0.4859; SEE= 6.76 ml kg�' min" and Predicted VO, at VT= [28.169-(1.117 X Walk Time)-(0.295 X Final RPE)] X 3.5; R' = 0.51; SEE= 6.3 ml kg�1 min�1 - Cross-validation showed that the R2 values are not significantly different from the validation group. Discussion: A reasonably accurate predictor ofV02max and V02 at VT can be fo11nulated using only the variables of l-1nile walking ti1ne and RPE from the Rockport l-n1i\e walk test.
    Subject
    Walking--Physiological aspects
    Exercise tests
    Exercise--Physiological aspects
    Permanent Link
    http://digital.library.wisc.edu/1793/73404
    Type
    Thesis
    Part of
    • UW-L Theses & Dissertations

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