Feasibility of a Treadmill Test for Adolescents with Multiple Disabilities

in Adapted Physical Activity Quarterly
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The purpose of this study was to examine the validity and reliability of a treadmill (TM) test for adolescents with multiple disabilities, as defined by PL 105-17. Participants were 16 males and 2 females, ages 11 to 21 (M 14.9 ± 3.2), identified by teachers as potentially able to perform a TM test. Data were collected two times, separated by 2 to 3 weeks. Of the 18 adolescents, 5 could not perform the protocol, and 4 could not complete the test. Intraclass (test–retest) reliability coefficients for HRpeak, V̇Epeak, RERpeak, and V̇O2peak were .90, .90, .88, and .77, respectively, for the remaining 9 participants. Although none of these participants were able to meet the criteria commonly associated for a valid TM maximaltest (V̇O2max), they did meet the criteria for a valid TM maximum test (V̇O2peak) (Wasserman, Hansen, Sue, Whipp, & Casaburi, 1994). Further study of the feasibility of treadmill testing for this population is recommended.

Kenneth H. Pitetti is with the College of Health Professions, Department of Public Health Sciences, Wichita State University, Wichita, KS 67260-0152. Bart Jongmans is with the Department of Physiology, University of Nijmegen, The Netherlands. Bo Fernhall is with the Exercise Science .Program, George Washington University Medical Center, Washington, DC.

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