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Related Experiment Video

Updated: Jul 10, 2026

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

Influence of instructions on perceptually-based ratings.

J B J Coquart¹, P Raul, M Garcin

¹University Lille 2, FSSEP, Ronchin, France.

International Journal of Sports Medicine

|November 9, 2007

Summary

This summary is machine-generated.

Exercise instructions did not significantly impact perceived exertion or estimated endurance time in male runners. This suggests that how long runners expect to run doesn't alter their subjective experience of effort or time limits.

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Area of Science:

Exercise Physiology
Sports Science
Human Performance

Background:

Understanding factors influencing perceived exertion and endurance is crucial for optimizing training.
Previous research suggests psychological factors can modulate physiological responses during exercise.

Purpose of the Study:

To investigate the effect of expected running duration or distance on ratings of perceived exertion (RPE) and estimated time limit (ETL).
To determine if varying instructions regarding expected task completion influence subjective effort and endurance estimations.

Main Methods:

Thirty-nine males completed an incremental test to determine maximal aerobic velocity (MAV).
Subsequent constant velocity tests at 90% MAV were conducted to establish individual time limits (Tlim) and distance limits (Dlim).
Participants were assigned to groups with different instructions regarding expected task duration (60%, 80%, or 100% of Tlim/Dlim) during submaximal runs, with RPE and ETL measured.

Main Results:

Statistical analysis using a three-way repeated measures ANOVA revealed no significant differences in RPE or ETL based on group or test conditions.
The findings indicate that the provided exercise instructions did not significantly alter the perceived hardness of effort or the subjective estimation of endurance capacity.

Conclusions:

Exercise instructions regarding expected duration or distance do not appear to significantly influence perceived exertion or estimated time limits in this cohort.
Subjective experience of effort and endurance may be less sensitive to explicit expectancy manipulations than previously assumed in similar exercise protocols.