VO2 slow component: physiological and functional significance

  • Poole DC, Barstow TJ, Gaesser GA, Willis WT W
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Abstract

This paper offers a brief synopsis of the five preceding papers which constitute the proceedings of the symposium "Mechanistic basis of the slow component of [latin capital V with dot above]O2 kinetics during heavy exercise." The key features have been taken from each paper and a coherent position regarding the site and potential underlying mechanisms for the "excess" [latin capital V with dot above]O2 is presented. The hypothesis is developed that some aspect of fiber type recruitment patterns might be responsible for this phenomenon. Elucidation of the precise determinants of [latin capital V with dot above]O2 during heavy exercise is fundamental to our understanding of muscle energetics. Furthermore, certain patient populations, whose exercise tolerance is limited by impaired cardiovascular and/or respiratory capacity, may benefit from interventions designed to constrain the magnitude of the [latin capital V with dot above]O2 slow component

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Authors

  • Whipp BJ. Poole DC, Barstow TJ, Gaesser GA, Willis WT

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