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    The effect of progressive fatigue on session RPE

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    Sustercich_William_Thesis.pdf (522.1Kb)
    Date
    2017-09-29
    Author
    Sustercich, William
    Advisor(s)
    Foster, Carl
    Metadata
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    Abstract
    Introduction: The purpose of this study was to examine the effect of progressive fatigue from continuous workouts on Session Rating of Perceived Exertion (sRPE). Methods: Twelve moderately fit college age students who were active for the past three months for at least three times a week for 30-minutes or more were recruited. Subjects performed a maximal incremental cycling test to determine max power output (MPO). Subjects completed workouts on the bike at varying percentages of their MPO to test the hypothesis that sRPE for a given exercise bout would change with progressive fatigue. The workouts were Monday through Thursday for two weeks. The first week was three 30-minute sessions followed by a 1-hour session. The second week was three 1-hour sessions followed by a 30-minute session. Blood lactate was measured periodically throughout each workout. sRPE was measured 30 minutes after each session. Results: The 30-minute sessions had a sRPE that was significantly less than the 1-hour sessions (p = .006). The analysis of HLa during the hard sessions showed significant differences between sessions (p = .002). The analysis of the RPE/HLa ratio showed significant differences between sessions (p = .003). Discussion: The results of this study supported our hypothesis. During the prolonged exercise bouts, there was a significant decrease in HLa and a progressive increase in sRPE.
    Subject
    Kinesiology
    Exercise -- Physiological aspects
    Fatigue
    Permanent Link
    http://digital.library.wisc.edu/1793/76926
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    • UW-L Theses & Dissertations

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