Effects of sodium bicarbonate ingestion on performance and perceptual responses in a laboratory-simulated BMX cycling qualification series

Journal of Strength and Conditioning Research
Mikel ZabalaMati Pääsuke

Abstract

The objective of this study was to examine the effect of sodium bicarbonate (NaHCO3-) ingestion on performance and perceptual responses in a laboratory-simulated bicycle motocross (BMX) qualification series. Nine elite BMX riders volunteered to participate in this study. After familiarization, subjects undertook two trials involving repeated sprints (3 x Wingate tests [WTs] separated by 30 minutes of recovery; WT1, WT2, WT3). Ninety minutes before each trial, subjects ingested either NaHCO3- or placebo in a counterbalanced, randomly assigned, double-blind manner. Each trial was separated by 4 days. Performance variables of peak power, mean power, time to peak power, and fatigue index were calculated for each sprint. Ratings of perceived exertion were obtained after each sprint, and ratings of perceived readiness were obtained before each sprint. No significant differences were observed in performance variables between successive sprints or between trials. For the NaHCO3- trial, peak blood lactate during recovery was greater after WT2 (p < 0.05) and tended to be greater after WT3 (p = 0.07), and ratings of perceived exertion were not influenced. However, improved ratings of perceived readiness were observed before WT2 and WT3 (p...Continue Reading

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Citations

Apr 6, 2011·European Journal of Applied Physiology·Mikel ZabalaPedro J Benito
Jul 25, 2009·Journal of Strength and Conditioning Research·Jason C Siegler, Kristian Hirscher
Aug 2, 2011·Journal of Strength and Conditioning Research·Manuel MateoMikel Zabala
Apr 17, 2012·Journal of Strength and Conditioning Research·Daniel J PeartRebecca V Vince
Oct 16, 2013·Journal of Strength and Conditioning Research·Michael J DuncanMichael J Price
Jul 24, 2014·International Journal of Sports Physiology and Performance·Laurie-Anne MarquetJeanick Brisswalter
Jul 16, 2020·International Journal of Sport Nutrition and Exercise Metabolism·Rodrigo Dos Santos GuimarãesJoão Felipe Mota
Aug 9, 2020·Open Access Journal of Sports Medicine·Amin DaneshfarBeat Knechtle
Oct 16, 2018·Journal of Sports Sciences·João Paulo Lopes-SilvaEmerson Franchini
May 15, 2020·The Journal of Sports Medicine and Physical Fitness·Andrea PetruoloErmanno Rampinini
Dec 3, 2020·European Journal of Sport Science·Amin DaneshfarDaniel Gahreman
Dec 15, 2020·Journal of the American College of Nutrition·Jozo Grgic
Aug 24, 2021·Sports Medicine - Open·Hamish FergusonGeoff Chase
Sep 11, 2021·Journal of the International Society of Sports Nutrition·Jozo GrgicBill I Campbell

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