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Related Experiment Videos

Examining exercise dependence symptomatology from a self-determination perspective.

Jemma Edmunds1, Nikos Ntoumanis, Joan L Duda

  • 1Health Services Research Centre, School of Health and Lifestyle Science, Coventry University, UK.

Journal of Health Psychology
|October 13, 2006
PubMed
Summary

Individuals with exercise dependence symptoms reported higher psychological need satisfaction and motivation than those without symptoms. Self-determination theory explains exercise engagement quality and quantity.

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Area of Science:

  • Sport and Exercise Psychology
  • Behavioral Psychology

Background:

  • Self-Determination Theory (SDT) provides a framework for understanding motivation in exercise.
  • Exercise dependence exists on a spectrum, with symptomatic and asymptomatic classifications.
  • Psychological need satisfaction and motivational regulations are key components of SDT.

Purpose of the Study:

  • To compare psychological need satisfaction, motivation, and exercise behavior between symptomatic and asymptomatic individuals with exercise dependence.
  • To investigate the predictive role of motivational regulations on exercise behavior within these groups.
  • To examine the mediating effect of motivational regulations between need satisfaction and exercise behavior.

Main Methods:

  • 339 participants completed validated measures of exercise dependence, psychological need satisfaction, motivational regulations, and exercise behavior.

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  • Participants were classified as 'nondependent-symptomatic' or 'nondependent-asymptomatic' for exercise dependence.
  • Statistical analyses examined group differences and mediation effects.

    • Main Results:

    • Nondependent-symptomatic individuals reported significantly higher competence need satisfaction and all motivational regulations compared to nondependent-asymptomatic individuals.
    • Introjected regulation was a near-significant predictor of strenuous exercise for symptomatic individuals.
    • Identified regulation positively predicted strenuous exercise and fully mediated the link between competence need satisfaction and strenuous exercise in asymptomatic individuals.

    Conclusions:

    • Findings support the application of Self-Determination Theory to understand exercise quantity and quality.
    • Psychological needs and motivational processes differ between individuals with and without exercise dependence symptoms.
    • Motivational regulations play a crucial role in linking psychological needs to exercise behavior.