Influence of Dehydration on Intermittent Sprint Performance

Journal of Strength and Conditioning Research
Jon-Kyle DavisMichael E Nevett

Abstract

This study examined the effects of dehydration on intermittent sprint performance and perceptual responses. Eight male collegiate baseball players completed intermittent sprints either dehydrated (DEHY) by 3% body mass or euhydrated (EU). Body mass was reduced through exercise in the heat with controlled fluid restriction occurring 1 day before the trial. Participants completed twenty-four 30-m sprints divided into 3 bouts of 8 sprints with 45 seconds of rest between each sprint and 3 minutes between each bout. Perceived recovery status (PRS) scale was recorded before the start of each trial. Heart rate (HR), ratings of perceived exertion (RPE) (0-10 OMNI scale), and perceived readiness (PR) scale were recorded after every sprint, and session RPE (SRPE) was recorded 20 minutes after completing the entire session. A 2 (condition) × 3 (bout of sprints) repeated-measures ANOVA revealed a significant main effect of condition on mean sprint time (p = 0.03), HR (p < 0.01), RPE (p = 0.01), and PR (p = 0.02). Post hoc tests showed significantly faster mean sprint times for EU vs. DEHY during the second (4.87 ± 0.29 vs. 5.03 ± 0.33 seconds; p = 0.01) and third bouts of sprints (4.91 ± 0.29 vs. 5.12 ± 0.44 seconds; p = 0.02). Heart rate ...Continue Reading

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Citations

Dec 13, 2016·Journal of Strength and Conditioning Research·Edward D Thomson, Kevin L Lamb
Feb 28, 2017·Journal of Strength and Conditioning Research·Zachary J McKenna, Trevor L Gillum
Apr 27, 2021·Journal of Strength and Conditioning Research·Jon-Kyle DavisPeter John D De Chavez
Jun 3, 2021·International Journal of Environmental Research and Public Health·Jakub ChyckiAdam Zajac
Jul 3, 2021·Sports·Benjamin H GleasonMichael H Stone

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