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RESULTS:The mean SPS score was 50.5 (±15.2). A majority of participants (77.5%) were classified as active. Most participants preferred to engage in moderate-intensity exercise (60.3%), preferred to exercise outdoors (46.9%), and preferred to exercise alone (61.3%). Increasing SPS was associated with an increased likelihood of being classified as insufficiently active/sedentary (p = .047; OR = 1.03; 95% CI: 1.00, 1.07). Increasing SPS was also associated with a decreased likelihood of preferring vigorous-intensity exercise (p = .017; OR = .95; 95% CI: .92, .99). SPS was not associated with other exercise-related preferences. CONCLUSION: Individuals who score higher in SPS may be less likely to exercise, and if they do exercise, they may prefer to avoid vigorous-intensity activities. More research is needed to:(1) examine additional factors associated with exercise among individuals with high SPS; (2) determine whether associations between SPS and exercise vary according to cardiorespiratory and/or muscular fitness; and (3) develop and evaluate exercise interventions for individuals high in SPS.

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METHODS: 22 participants (8 females, 14 males; mean BMI = 26 ± 5; age = 23 ± 5) completed 3, high-intensity interval training (HIIT) exercise trials after maximal testing. All trials were 20 minutes in total duration, made up of 10 minutes of work and 10 minutes of recovery, alternating every minute. Trials differed only in the pattern of intensity over time: increasing pattern (IP; intensity increases beginning to end), decreasing pattern (DP; intensity decreases beginning to end), and steady pattern (SP; intensity remains constant). Variables of interest were pleasure, accomplishment, enjoyment, and exertion. Data was analyzed using ANOVA. RESULTS: An ANOVA revealed that remembered exertion was higher for IP than both SP and DP (p = 0.04). Enjoyment, pleasure, and accomplishment did not differ between trials (p > 0.05). CONCLUSIONS: Early findings suggest that all experimental trials produced exercise experiences that were viewed positively but relatively few differences across trials were observed. The primary significant finding is that HIIT sessions ending at higher intensities are perceived as more challenging than HIIT sessions of similar work that conclude at lower intensities. Importantly, this perceived difference in effort to complete the exercise session in these preliminary findings did not negatively impact perceptions of pleasure, enjoyment, and accomplishment.