The prediction of functional capacity in active coronary artery disease patients using a physical activity questionnaire

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dc.contributor.authorNielsen, Peter J.en
dc.contributor.departmentHealth and Physical Educationen
dc.date.accessioned2014-03-14T21:43:36Zen
dc.date.adate2009-08-22en
dc.date.available2014-03-14T21:43:36Zen
dc.date.issued1995en
dc.date.rdate2009-08-22en
dc.date.sdate2009-08-22en
dc.description.abstractThis investigation examined the ability of the Veterans Specific Activity Questionnaire (VSAQ) to predict the functional capacities (expressed in metabolic equivalents or METs) of twenty male participants previously diagnosed with CAD who were referred for exercise testing as part of their participation in a community based exercise program. On the morning of their normally scheduled GXT, each individual completed the VSAQ and was administered a maximal exercise test on a treadmill utilizing a ramp style protocol based on their self estimation of functional capacity. Respiratory gas exchange values were recorded throughout and analyzed via stepwise linear regression with respect to several experimental and demographic variables such as age, BMI, percent body fat and time since entering a cardiac maintenance exercise program. The only variable to contribute significantly to the prediction of FC with regard to exercise capacity as measured by respiratory gas analysis was the VSAQ. The VSAQ explained 22.% of the variance in actual performance and this variable only showed a modest association with the criterion measure (r = 0.47 SEE 2.25, p <0.05). A similar finding was noted when this criterion of exercise performance was estimated from treadmill speed and grade equations. In this case, the VSAQ accounted for 34% of the variance in exercise performance, i.e., r=0.58 (SEE 2.16, p <0.05). The final regression equation by which the VSAQ might be used to predict exercise capacity by the gas exchange criterion was: METs = 4.21 + 0.50(VSAQ). The final regression equation for prediction of MET exercise capacity by speed/grade at peak exercise was: METs = 4.60 + 0.65(VSAQ).en
dc.description.degreeMaster of Scienceen
dc.format.extentvii, 122 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-08222009-040604en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-08222009-040604/en
dc.identifier.urihttp://hdl.handle.net/10919/44412en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1995.N545.pdfen
dc.relation.isformatofOCLC# 35718099en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1995.N545en
dc.titleThe prediction of functional capacity in active coronary artery disease patients using a physical activity questionnaireen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineHealth and Physical Educationen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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