Psychological predictors of compensatory responses to a structured exercise program
Acitelli, Rachelle Maria
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The purpose of this study was to identify possible psychological predictors of compensation to structured exercise. 20 subjects participated in an 8-week exercise intervention, where diet and outside activity were objectively measured at three time points (baseline, Week 5, Week 8). Results indicated no significant differences between energy intake (EI) and energy expenditure (EE) at baseline and Week 8; however, changes in both EI and EE were associated with large amounts of inter-individual variability. Self-motivation was significantly correlated to change in EI (r = -.61). Positive urgency, a construct related to trait impulsivity, was significantly correlated with EE change (r = -.70). Measures of fatigue and reward responsiveness were not strongly correlated with EI or EE in this sample. Further research is warranted to investigate the extent to which these psychological constructs can predict compensatory responses to a structured exercise program.