Group (n=26 pregnant women) mean (±SE) changes in the intensity of feelings of physical energy (top left), mental energy (bottom left), physical fatigue (top right) and mental fatigue (bottom right) after 24 separate resistance exercise workouts. The group increased significantly in physical energy after each workout except for workout 20. The group increased significantly in mental energy after each workout except for workouts 8 & 9. The group decreased significantly in mental fatigue after each workout except for workouts 9, 14 & 21. The group increased significantly in physical fatigue in response to workouts 9 & 10 and decreased in physical fatigue after the other workouts except for workouts 8, 11, 16, 17, 20 & 22.