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Front Physiol. 2016 Dec 05;7:591. doi: 10.3389/fphys.2016.00591. eCollection 2016.

Effect of Environmental and Feedback Interventions on Pacing Profiles in Cycling: A Meta-Analysis.

Frontiers in physiology

Michael J Davies, Bradley Clark, Marijke Welvaert, Sabrina Skorski, Laura A Garvican-Lewis, Philo Saunders, Kevin G Thompson

Affiliations

  1. University of Canberra Research Institute for Sport and ExerciseBruce, ACT, Australia; Department of Physiology, Australian Institute of SportBruce, ACT, Australia.
  2. University of Canberra Research Institute for Sport and Exercise Bruce, ACT, Australia.
  3. University of Canberra Research Institute for Sport and ExerciseBruce, ACT, Australia; Institute of Sports and Preventive Medicine, Saarland UniversitySaarbrücken, Germany.
  4. University of Canberra Research Institute for Sport and ExerciseBruce, ACT, Australia; Department of Physiology, Australian Institute of SportBruce, ACT, Australia; Mary Mackillop Institute for Health Research, Australian Catholic UniversityMelbourne, VIC, Australia.
  5. Department of Physiology, Australian Institute of Sport Bruce, ACT, Australia.

PMID: 27994554 PMCID: PMC5136559 DOI: 10.3389/fphys.2016.00591

Abstract

In search of their optimal performance athletes will alter their pacing strategy according to intrinsic and extrinsic physiological, psychological and environmental factors. However, the effect of some of these variables on pacing and exercise performance remains somewhat unclear. Therefore, the aim of this meta-analysis was to provide an overview as to how manipulation of different extrinsic factors affects pacing strategy and exercise performance. Only self-paced exercise studies that provided control and intervention group(s), reported trial variance for power output, disclosed the type of feedback received or withheld, and where time-trial power output data could be segmented into start, middle and end sections; were included in the meta-analysis. Studies with similar themes were grouped together to determine the mean difference (MD) with 95% confidence intervals (CIs) between control and intervention trials for:

Keywords: cycling; deception; feedback; heat-stress; hyperoxia; hypoxia; pacing; pre-cooling

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