European Journal of Sport Science: Video Abstract

Power–duration relationship: Physiology, fatigue, and the limits of human performance
Mark Burnley & Andrew M. Jones, published in 2017

DOI: 10.1080/17461391.2016.1249524
@DrMarkBurnley @EurJSportSci

Please watch the video here.

Video transcript start:

I’m Mark Burnley, the lead author on this paper. The aim of this paper was to review the power duration relationship and the physiology and fatigue that underpins it, particularly in relation to the critical power concept. In this review, we looked at the intensity domains that are associated with exercise, in other words:

  • the moderate intensity domain: below the lactate threshold
  • the heavy intensity domain: between lactate threshold and the critical power, or the ‘maximal lactate steady state’
  • and severe intensity exercise, which occurs above the critical power.

The major message of this review is that the fatigue mechanisms that attend exercise depend upon the exercise intensity domain in which the exercise is performed.

The secondary message of this paper is that fatigue in each domain affects multiple organ systems, and therefore, no single mechanism of fatigue can be said to limit exercise tolerance.

We hope you enjoy the paper.

Video transcript end.


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