Effects of Aerobics Exercise on Body Mass Index (BMI) and Mental Health Among Obese College Students

Background: Aerobic exercise plays an influential role in improving mental health. Aerobics, as a form of efficient aerobic exercise, is suitable for various individuals and promotes the mental health of college students. Objectives: The purpose of this study was to explore whether aerobic exercise has a positive effect on the mental health and Body Mass Index (BMI) of obese college students. Methods: Sixty obese college students with a BMI ≥ 28 were selected and divided into two groups. Each group consisted of 30 students, 15 boys and 15 girls. The experimental group received aerobic exercise training three times a week for 12 weeks, while the control group received prescribed aerobic training. Data before and after the experiment were recorded. Results: The BMI of the experimental group decreased from 30.19 ± 0.73 before the experiment to 27.32 ± 0.84 after the experiment, with a change range of 2.86 ± 0.11. The experimental group showed significant differences before and after the experiment (P < 0.01). The BMI of the control group decreased from 30.16 ± 0.73 before the experiment to 28.62 ± 0.89 after the experiment, with a change range of 1.54 ± 0.84. The control group also showed significant differences before and after the experiment (P < 0.05). The experimental group had a better effect. The 12 dimensions of the mental health test changed in both the experimental group and the control group, and the results were statistically significant (P < 0.05), with the experimental group showing better improvement. Conclusions: The statistically significant impact of aerobics on the mental health of obese college students holds practical significance. Notably, the observed reduction in anxiety and depression symptoms, coupled with notable enhancements in self-esteem and self-confidence, underscores the tangible benefits of incorporating aerobics into the lifestyle of this demographic.