Abstract
Background/Objectives: Adolescents with Down syndrome often present limitations in physical fitness and psychosocial well-being, which can affect their health and social inclusion. Adapted physical activity programs, such as martial arts, may offer multidimensional benefits. This study aimed to analyze the effects of an adapted judo intervention on physical fitness and psychosocial outcomes in adolescents with Down syndrome. Methods: A quasi-experimental design was applied with 43 adolescents diagnosed with Down syndrome, allocated to a control group (n = 19) and an intervention group (n = 24). Participants in the intervention group completed a 24-week adapted judo program. Physical fitness was assessed through standardized tests for strength, balance, and flexibility, while psychosocial well-being was evaluated using validated questionnaires on self-esteem and social interaction. Pre- and post-intervention comparisons were conducted using appropriate statistical analyses. Results: Participants showed significant improvements in physical fitness components, particularly in muscular strength and balance (p < 0.05). Flexibility also increased, although to a lesser extent. Psychosocial measures revealed enhanced self-esteem and greater perceived social interaction, indicating positive effects beyond physical health. Conclusions: Adapted judo appears to be an effective multidimensional intervention for adolescents with Down syndrome, promoting both physical and psychosocial benefits. These findings support the inclusion of adapted martial arts in physical education and therapeutic programs aimed at fostering health and social participation in this population.