Acute mood responses to a bout of exercise performed at week 1, week 4, week 8, and week 12 of the intervention as measured by the subscales of the Profile of Mood States – Short Form. Data are shown as group mean with error bars depicting 95% confidence interval. Dotted lines indicate no change in mood in response to the bout of exercise. Negative values demonstrate improvements in negative mood subscales (T–A, A-H, D-D, F-I, and C-B), while positive values indicate improvements in positive subscale (V-A). Abbreviations: T-A, tension-anxiety; A-H, anger-hostility; D-D, depression-dejection; V-A, vigor-activity; F-I, fatigue-inertia; C-B, confusion-bewilderment; TMD, total mood disturbance.