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Effectiveness of a Digital Game-Based Physical Activity Program (AI-FIT) on Health-Related Physical Fitness in
Se-Won Park1, Dong-Ha Lim2, Je-Hyun Kim2
1Department of Physical Education, Korea National University of Education, Cheongju 28173, Republic of Korea.
Objectives:
This study empirically examined the effects of a digital game-based physical activity program (AI-FIT) on elementary school children's health-related physical fitness while exploring the role of educational technology (EdTech) as a practical solution to post-pandemic physical inactivity.
Methods:
This study was conducted over a 12-week period, from September to December 2024, with 40 students (grades 4 to 6) from an elementary school located in a mid-sized city in South Korea. The participants had a mean age of 10.8 years (SD = 0.69). The experimental group (n = 20) participated in the AI-FIT program, while the control group (n = 20) received regular physical education classes. To ensure baseline equivalence between the groups, propensity score matching was employed. Health-related physical fitness was assessed through pre- and post-tests, including flexibility, muscular endurance, cardiorespiratory endurance, explosive power, and Physical Activity Promotion System (PAPS) grade. Analyses were conducted using both dependent (paired) and independent t-tests, along with effect size calculations (Cohen's d), to examine within-group and between-group differences. In addition, gender-based subgroup analyses were performed to examine potential differences in responsiveness to the intervention.
Intervention:
Results indicated that the AI-FIT program had a large effect on flexibility (d = 0.90) and muscular endurance (d = 0.80) and a moderate-to-large effect on PAPS grade (d = 0.69). In contrast, no statistically significant improvements were observed in cardiorespiratory endurance or explosive power.
Conclusions:
These findings suggest that a digital program integrating AI-based personalized exercise prescriptions and gamification elements can effectively enhance the health-related fitness of elementary students. Moreover, this study supports the educational efficacy of EdTech-based interventions in physical education settings.
