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This investigation examined the psychophysiological factors related to amounts of positive mood changes following aerobic exercise. Comfortable Self-Paced Running (CSPR) can be defined as running at a... subjective exercise intensity of Comfortable Self-Established Pace (CSEP). Eighteen male students performed CSPR for 15 min on a treadmill. Subjects completed the Mood Check List (MCL-S.1), consisting of "Pleasantness," "Relaxation" and "Anxiety" subscales, both before and immediately after CSPR. Mean Ratings of Perceived Exertion (RPE), heart rate, and %V02max during CSPR indicated that the exercise intensity of CSPR was at a moderate level. In addition, a significant increase in "Pleasantness" and "Relaxation," and a significant decrease in "Anxiety" were found immediately after exercise. There was a significant correlation between amount of increase in both "Pleasantness" and "Relaxation" and a more emotionally unstable or socially inadaptable personality, lower levels of mental health, higher trait anxiety, type A behavior pattern, and more positive belief towards sport behavior. Furthermore, greater increases in "Relaxation" were associated with lower %V02max. The results of multiple regression analyses indicated that trait anxiety and a type A behavior pattern were both significant positive predictors (74.7%) for the amount of change in "Pleasantness." Only trait anxiety, however, was a positive predictor (61.6%) for "Relaxation." These results suggest that the increase in positive mood following CSPR can be attributed more to psychological than physiological factors. In particular, high trait anxiety appears to be a strong predictor for changes in positive mood following CSPR.続きを見る
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