Abstract
This study determined the reliability of submaximal heart rate (HR) and rating of perceived exertion (RPE) at a given work rate (WR), peak HR, peak RPE, peak WR, and total exercise duration to graded semi-recumbent leg cycle exercise in people with Parkinson's disease (PD). Ten subjects (one female, nine males) aged sixty to eighty- two (70.3 ± 8.1 years), with diagnosed PD stages of Hoehn and Yahr II to III partic ipated in the study. Each subject performed two maximal-effort tests separated by seven days using an incremental protocol on a semi-recumbent leg cycle ergometer. All tests were performed during the time of peak PD drug effectiveness. Repeated measures (ANOVA) revealed no significant differences ( p ≥ .05) between test and retest for peak WR, HR, and RPE, and total exercise duration. There were also no significant differences between test-retest RPE and HR values at four selected sub maximal WRs. Intraclass correlation coefficients revealed good to excellent reliabil ity for all variables stud...
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