What does the research show?
Overall, research on children's physical activity shows that regular exercise can support well-being, self-regulation and stress management. However, reviews of school-based research show that the strength of this effect depends on the program, its length, and the quality of the research. Therefore, there is no reason to promise that every training will automatically solve the problem of stress.
The study, published in 2026, compared 553 students aged 10–15. Children who regularly trained judo declared less stress related to school, a greater sense of security and more often indicated physical activity as a way to cope with stress than peers who did not train.
This is a specific observation, but not proof that all the differences were due to judo alone. Well-being is also influenced by family, relationships in the classroom, sleep, health and temperament.
Why can exercise help?
After an intense day, a child often needs the opportunity to relieve tension through movement. The exercises require focusing on breathing, balance, distance and the task performed here and now. Thanks to this, attention moves away from the problem for a moment and the body has a chance to reduce arousal.
Regularity also matters. The child knows the lesson plan, rules and group, and over time he sees his own progress. Small successes - a remembered technique, a calmer performance of an exercise, or the courage to try again - can strengthen the sense of agency.
Our interpretation
Based on these studies, we can assume that similar mechanisms may also appear during other structured exercise activities if the training is safe, regular and collaborative. On the mat, the child can practice a simple pattern: notice the tension, stop, take a calm breath, listen to the hint and try again.
This skill is also useful before answering at the blackboard, taking a test or having a difficult conversation with a peer. This does not mean that a specific sport alone solves stress problems. If stress is long-term, very severe or affects sleep, school or relationships, it is worth talking to a specialist.
Sources: study of judo training students - PubMed; review of 25 studies of school physical activity programs - PubMed; meta-analysis of 26 stress-related exercise programs - PubMed.