Effects of chronic bicarbonate ingestion on the performance of high-intensity work

Lars McNaughton, Karianne Backx, Garry Palmer, Nina Strange

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

We have evaluated whether sodium bicarbonate, taken chronically (0.5 g x kg(-1) body mass) for a period of 5 days would improve the performance of eight subjects during 60 s of high-intensity exercise on an electrically braked cycle ergometer. The first test was performed prior to chronic supplementation (pre-ingestion) while the post-ingestion test took place 6 days later. A control test took place approximately 1 month after the cessation of all testing. Acid-base and metabolite data (n = 7) were measured from arterialised blood both pre- and post-exercise, as well as daily throughout the exercise period. The work completed by the subjects in the control and pre-ingestion test [21.1 (0.9) and 21.1 (0.9) MJ, respectively] was less than (P
Original languageEnglish
Pages (from-to)333-336
Number of pages4
JournalEuropean Journal of Applied Physiology and Occupational Physiology
Volume80
Issue number4
DOIs
Publication statusPublished - Sep 1999

Keywords

  • Anaerobic work
  • Base excess
  • Buffer
  • Ergogenic aid

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