Acute and chronic effect of physical activity on cognition and behaviour in young people with ADHD: A systematic review of intervention studies.

Mascheretti et al. (2018) hunted every paper that tested exercise in kids with ADHD. They kept only studies that gave clear activity plans: 20-30 minutes at moderate heart rate for a quick boost, or 30-plus minutes, three-plus days a week, for five-plus weeks for long-term change.

Eleven trials met the rules. Most used treadmills, bikes, or playground games. The team then graded how strong each trial was.

Right after one bout, kids scored better on memory and stop-signal games. Daily exercise for several weeks cut parent and teacher ratings of inattention and restlessness.

Yet only three trials had true control groups. The rest were small or lacked blinding, so the authors label the proof 'promising but thin.'

Coe et al. (1997) showed the same quick payoff in autism: a five-minute jog dropped self-stim behavior by half for 40 minutes. The pattern—move first, behave better after—looks similar across diagnoses.

Heald et al. (2020) stretched the idea to ASD youth in a community judo class. Attendance stayed high and kids added eight percent more moderate-to-vigorous activity, matching the ADHD review's claim that fun movement sticks.

Tantam et al. (1993) warned us before: early exercise papers were riddled with weak designs. Sara et al. echo that call 25 years later, showing the field has grown little in rigor.

You do not need fancy gear. Program a brisk 20-minute game or stationary bike before math or social-skills table work. Track on-task behavior with a simple 30-second partial-interval sheet; you should see a lift right away. Push for daily recess or PE, but document data—until more RCTs land, your clinical notes are part of evidence.