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Relations of body concerns and exercise behavior: a meta-analysis
Justine J Reel1, Christy Greenleaf, Wanda K Baker
1University of Utah, USA.
Psychological Reports
|February 1, 2008
Summary
Exercise significantly improves body image and concerns. This meta-analysis of 35 studies found a positive overall effect, with anaerobic exercise like weight training showing stronger benefits than aerobic activities.
Area of Science:
- Exercise science
- Psychology
- Health and wellness
Background:
- Body concerns are prevalent and impact mental well-being.
- The relationship between physical activity and body image is a growing area of research.
- Existing studies show varied results regarding exercise's impact on body concerns.
Purpose of the Study:
- To synthesize existing research on the effects of exercise on body concerns.
- To quantify the overall impact of exercise interventions on body image.
- To investigate moderator variables influencing this relationship.
Main Methods:
- Meta-analysis of 35 quantitative studies.
- Inclusion of studies with exercise programs directly targeting body concerns.
- Calculation of overall effect size and examination of moderators like sex, exercise type, and intervention duration.
Main Results:
- A significant positive overall effect size (d = .45) was found, indicating exercise benefits body concerns.
- No significant sex differences were observed in the exercise-body concern relationship.
- Anaerobic exercise (e.g., weight training, d = .64) demonstrated a stronger positive effect than aerobic exercise (e.g., jogging, d = .40).
Conclusions:
- Exercise is an effective strategy for improving body concerns.
- The type of exercise may influence the magnitude of the positive effect.
- Further research can explore specific exercise modalities and populations for targeted interventions.
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Purposes