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- W2616996413 abstract "INTRODUCTION: A previous parent study showed significantly better adherence for high intensity interval training (HIIT; 31% dropout) compared to steady state (SS; 73% dropout) in a sample of inactive, obese African-American (AA) women (N=27; age: 30.5±6.8 yrs; 5274±1646 steps/day; BMI: 35.1±5.1 kg/m2). However, the relationship between affective responses and adherence is unclear. PURPOSE: To conduct exploratory and descriptive analyses of affective responses over time between SS vs. HIIT conditions, and between study completers vs. non-completers. METHODS: Subjects were randomized into a 16-week treadmill exercise intervention, consisting of 4 weeks of conditioning, then 12 weeks of SS or HIIT training. The intervention consisted of three, 32-min bouts/week. SS bouts consisted of continuous exercise at 60-70% of maximal heart rate (HRmax). The time-matched HIIT bouts alternated 3-min lower-intensity intervals (60-70% HRmax) with 1-min high-intensity intervals (80-90% of HRmax). Core affect was assessed using the Feeling Scale (FS), pre- and post-exercise, as well as after the 8th, 20th, and 32nd minute of exercise. Possible FS scores range from -5 (very bad) to 5 (very good). Mean in-task FS scores are reported for the average of three sessions of week 5 and the last week of participation. Descriptive and frequency analyses are presented over the entire week. RESULTS: SS completers reported FS values of 5.00±0.00 both at week 5 and week 16. HIIT completers reported mean in-task FS values of 2.88±1.19 at week 5 and 3.82±0.63 at week 16. At week 5, SS and HIIT non-completers reported FS values of and 4.08±0.86 and 2.91±1.77, respectively. During the final week of participation (8.7±3.3 wks), SS and HIIT non-completers reported FS values of 3.88±1.13 and 3.16±1.18, respectively. Of 221 SS and 586 HIIT bouts completed, 11 (5.0%) and 42 (7.2%) contained ≥ one negative in-task FS score, respectively. CONCLUSION: While HIIT subjects consistently reported lower FS values relative to SS subjects, mean values were positive and similar to those observed for SS exercise in prior studies. Further, despite lower FS values, HIIT subjects had less dropout. Thus, it seems that HIIT is feasible in this population. These pilot data suggest the need for further research on contributors to adherence to HIIT in low-active, obese AA women." @default.
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- W2616996413 date "2017-05-01" @default.
- W2616996413 modified "2023-09-25" @default.
- W2616996413 title "Relationship Between Affective Responses And Adherence To High Intensity Interval Training In Obese African-American Women" @default.
- W2616996413 doi "https://doi.org/10.1249/01.mss.0000517475.15672.f2" @default.
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