Active and passive recovery and acid-base kinetics following multiple bouts of intense exercise to exhaustion

J. C. Siegler, J. Bell-Wilson, C. Mermier, E. Faria, R. A. Robergs

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

The purpose of this study was to profile the effect of active versus passive recovery on acid-base kinetics during multiple bouts of intense exercise. Ten males completed two exercise trials. The trials consisted of three exercise bouts to exhaustion with either a 12 min active (20% workload max) or passive recovery between bouts. Blood pH was lower in the passive (p) recovery compared to active (a) throughout the second and third recovery periods [second recovery: 7.18 ± 0.08 to 7.24 < 0.05; third recovery: 7.17 ± 0.08 to 7.22 ± 0.09 (p), 7.23 ± 0.08 to 7.32 ± 0.08 (a), P < 0.05]. Exercise performance times did not differ between recovery conditions (P = 0.28). No difference was found between conditions for recovery kinetics (slope and half-time to recovery). Subsequent performance during multiple bouts of intense exercise to exhaustion may not be infl uenced by blood acidosis or mode of recovery.

Original languageEnglish (US)
Pages (from-to)92-107
Number of pages16
JournalInternational Journal of Sport Nutrition and Exercise Metabolism
Volume16
Issue number1
DOIs
StatePublished - Feb 2006
Externally publishedYes

Keywords

  • Blood acidosis
  • Lactate
  • Training specificity
  • pH

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Orthopedics and Sports Medicine
  • Nutrition and Dietetics

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