School HIIT Sessions Improved Adolescent Working Memory
Adolescents saw faster reaction times following a brief bout of physical exercise during the school day.
Updated on Oct. 5, 2026 in Children’s Health
Live Poll
Should schools incorporate short high-intensity exercise sessions to improve student cognitive performance?
A new study has found that a 6-minute session of bodyweight high-intensity interval training (HIIT) can boost cognitive performance in middle school students. The findings offer a potential strategy for integrating short bursts of movement into the classroom to support student focus.
Why it matters
Understanding how brief, accessible physical activity impacts the adolescent brain is essential for developing school-based interventions that support learning. This research highlights how short-duration movement sessions may provide immediate cognitive benefits without disrupting instructional time.
In a study of 42 students aged 12 to 13, researchers assessed cognitive domains 10 minutes after a 6-minute HIIT session. Participants showed an 85-millisecond faster reaction time on working memory tasks compared to controls, though inhibitory control performance did not significantly change.
The details
The study utilized a crossover design where each student participated in both HIIT and control conditions, allowing for direct comparison of cognitive outcomes. Researchers administered standardized tests, including the Visual 2-back and Colour-Shape Switch tasks, to measure working memory and cognitive flexibility. By focusing on bodyweight exercises that can be performed in a classroom, the trial evaluated a practical, time-efficient method for stimulating neurological pathways associated with alertness and executive function.
Timeline
10-minutes post-trial: Cognitive task performance assessment.
Health Landscape
This research builds upon the established necessity of physical activity for adolescent development as defined by the Physical Activity Guidelines for Americans. It highlights a shift toward high-efficiency, school-based interventions that integrate neurological health into the traditional academic environment.
These findings suggest that brief, intense physical movement may be a helpful way to reset cognitive focus during a busy school day. Parents and teachers interested in these effects should discuss with a healthcare provider how activity might complement a student's broader cognitive and academic needs.
The takeaway
Short, intense bursts of movement appear to sharpen working memory in adolescents within minutes of completion. Consider encouraging opportunities for brief, structured physical activity that students can engage in to support their cognitive flexibility throughout the day.
Further reading
Learn more about physical activity and brain development in the Children’s Health section.
More information
View the complete peer-reviewed research article for full study details.
Source note: This article includes information reported by Nature.
Live Poll
Should schools incorporate short high-intensity exercise sessions to improve student cognitive performance?
