Table 1. Exercise-induced mood changes among four personality types (n = 90). Data are means (±SD). Pre-exercise Post-exercise Anger Stable Introverts 46.23 (5.10) 45.51 (2.45) Neurotic Introverts 49.50 (9.42) 47.86 (5.29) Stable Extroverts 46.26 (4.57) 44.46 (0.00) Neurotic Extroverts 51.36 (11.25) 48.26 (7.35) Confusion Stable Introverts 44.14 (4.13) 43.36 (3.53) Neurotic Introverts 48.30 (9.10) 44.54 (6.91) Stable Extroverts 42.14 (1.59) 41.66 (0.00) Neurotic Extroverts 45.26 (5.94) 41.66 (0.00) Depression Stable Introverts 45.65 (4.38) 44.42 (2.09) Neurotic Introverts 51.45 (10.84) 46.87 (7.51) Stable Extroverts 45.68 (5.32) 43.81 (1.05) Neurotic Extroverts 50.09 (11.64) 46.51 (6.60) Fatigue Stable Introverts 46.65 (5.42) 45.38 (4.36) Neurotic Introverts 49.46 (8.22) 50.86 (11.05) Stable Extroverts 44.44 (4.87) 44.44 (4.64) Neurotic Extroverts 48.51 (5.87) 49.83 (9.33) Tension Stable Introverts 48.92 (9.83) 42.62 (2.01) Neurotic Introverts 51.75 (12.50) 44.36 (6.69) Stable Extroverts 46.88 (9.28) 42.08 (1.18) Neurotic Extroverts 48.98 (7.24) 42.30 (1.93) Vigour Stable Introverts 55.59 (10.18) 55.04 (13.93) Neurotic Introverts 52.54 (8.85) 55.48 (10.71) Stable Extroverts 52.07 (8.79) 58.20 (11.15) Neurotic Extroverts 46.87 (7.56) 49.60 (10.00) Total Mood Disturbance Stable Introverts 176.20 (23.52) 166.24 (16.73) Neurotic Introverts 197.93 (39.76) 179.02 (32.45) Stable Extroverts 173.35 (20.36) 158.25 (12.72) Neurotic Extroverts 197.34 (33.55) 178.96 (26.09)