Abstract
The purpose of this study was to examine the effects of a mental imagery intervention designed to enhance integrated regulation for exercise among women commencing an exercise program. Healthy women who previously did not exercise regularly (N = 102; M age = 29.54, SD = 8.34) participated in an 8-week cardiovascular exercise program in which they exercised 3 times each week at a moderate intensity. The intervention group (n = 51) received weekly guided imagery sessions which were administered in person via audio recording. A comparison group (i.e., attention control; n = 51) received health information delivered in the same manner. Despite substantial dropout of participants from both groups, the analysis revealed that participants in the imagery group experienced greater changes in integration than participants in the comparison group. These findings support the utility of imagery interventions for influencing exercise-related cognitions, and more specifically integrated regulation.
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Notes
Although it is seemingly contradictory that appearance imagery is related to both autonomous and controlling motives, and that regular exercisers report using a great deal of appearance related- imagery, explanations for these findings can be forwarded. For example, individuals could exercise because they want to maintain some appearance related goals (e.g., a specific weight) and imagine these goals. They could also wish to maintain their physical self-worth and this might be partially accomplished through the use of appearance imagery.
The exercise program that participants in the current study were asked to complete was somewhat discrepant from typical exercise guidelines (e.g., Canadian Physical Activity Guidelines 2011). The decision to diverge from these guidelines was made for practical reasons. Asking the participants to visit the study facility more than three times per week could have represented a scheduling barrier (in our previous research even having participants visit the study facility three times per week proved challenging for many of them), and providing greater access to the study facility would have required considerably more resources (e.g., a larger number of research assistants) than were available.
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This research was supported by a grant from the Social Sciences and Humanities Research Council of Canada.
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Duncan, L.R., Hall, C.R., Wilson, P.M. et al. The use of a mental imagery intervention to enhance integrated regulation for exercise among women commencing an exercise program. Motiv Emot 36, 452–464 (2012). https://doi.org/10.1007/s11031-011-9271-4
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DOI: https://doi.org/10.1007/s11031-011-9271-4