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Knowledge of the endpoint: effect on perceptual values.

J B J Coquart1, M Garcin

  • 1Laboratoire d'Etudes de la Motricité Humaine, Faculté des Sciences du Sport et de l'Education Physique, Université de Lille 2, Ronchin, France.

International Journal of Sports Medicine
|July 5, 2008
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Summary

Knowing your running endpoint significantly impacts perceived exertion. Athletes feel runs are easier when the duration or distance is unknown, likely due to teleoanticipation effects.

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Area of Science:

  • Exercise Physiology
  • Sports Psychology

Background:

  • Knowledge of exercise endpoint influences physiological and psychological responses.
  • Teleoanticipation, the anticipation of the end of a task, can affect perceived exertion.

Purpose of the Study:

  • To investigate how knowledge of running length (duration or distance) affects perceived exertion and estimated time to exhaustion.
  • To compare perceived exertion between known and unknown running endpoints at a fixed intensity.

Main Methods:

  • Fourteen male participants completed three constant-intensity (90% maximal aerobic velocity) running tests.
  • Exercise endpoint was either unknown, defined by duration, or defined by distance.
  • Ratings of perceived exertion, estimated time to exhaustion, and heart rate were measured and analyzed using 2-way ANOVA.

Main Results:

  • Perceived exertion, estimated time to exhaustion, and heart rate significantly increased with exercise duration (p < .001).
  • Perceived exertion was significantly lower in the unknown endpoint condition compared to the known distance condition at 40%, 60%, and 80% of time to limit (p < .05).

Conclusions:

  • Knowledge of running length influences perceived exertion, with unknown endpoints leading to lower perceived exertion.
  • Athletes perceive running as easier when the endpoint is unknown, suggesting a role for teleoanticipation in modulating exercise intensity perception.