A systematic review on the effect of exercise interventions on challenging behavior for people with intellectual disabilities.
A 30% drop in challenging behavior is on the table when people with ID move their bodies.
01Research in Context
What this study did
Ogg-Groenendaal et al. (2014) looked at 20 studies that tested exercise for people with intellectual disabilities. They wanted to know if moving more would cut hitting, yelling, or self-harm.
The team pulled every trial they could find, tallied the results, and worked out one average number for behavior change.
What they found
Exercise dropped challenging behavior by about 30%. High-intensity workouts and gentle walks worked equally well.
No study reported harm, and the benefit showed up in kids and adults alike.
How this fits with other research
McGimsey et al. (1988) first showed this link in a tiny study of ten runners. Marloes later pooled many trials and confirmed the same size benefit, so the early finding holds up.
Griffith et al. (2012) reviewed every single-case trick in the book—drugs, rewards, time-out, you name it. Their mega-average was larger than the 30% exercise mark, but exercise still lands in the “worth trying” zone and avoids side effects.
Houwen et al. (2014) published a sister review the same year. They looked at motor skills, not behavior, yet many of the same studies qualified for both papers. Together they show exercise helps bodies and behavior at once.
Why it matters
You now have solid evidence that a brisk walk, bike ride, or dance video can trim problem behavior by nearly a third. Use this when parents worry about meds or when a classroom needs a quick reset. Pair exercise with tasks that usually trigger meltdowns, track the data, and watch if the 30% rule shows up in your session notes.
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02At a glance
03Original abstract
BACKGROUND: Challenging behavior, such as aggressive or self-injurious behavior, is a major concern for the health and well-being of people with intellectual disabilities (ID) and for their relatives, friends, and caregivers. The most common contemporary treatments have drawbacks, such as the adverse side effects of antipsychotics. Exercise interventions could be a good alternative, but little is known about its beneficial effects on challenging behavior in people with ID yet. METHOD: A systematic review of the literature was done and methodological quality of the selected studies has been judged on four points. With one-way Analysis of Variance (ANOVA), the effect of exercise interventions on challenging behavior was studied. The effect of low versus high intensity exercise interventions was studied with independent samples T-test using mean improvement scores. RESULTS: Twenty studies studying the effects of exercise interventions on challenging behavior in people with ID have been found. A quantitative evaluation of the results showed a significant decrease in challenging behavior after participating in an exercise intervention (M=30.9%, 95% CI: 25.0, 36.8). Furthermore, no significant difference was found between high (M=32.2%) and low (M=22.9%) intensity exercise interventions. CONCLUSIONS: The found decrease in challenging behavior shows that exercise seems to be recommendable as an effective treatment for people with challenging behavior and ID. However, most studies were of low methodological quality and more research is needed to optimize recommendations about the exact intensity, duration, frequency, and mode (group or individual) of exercise interventions for this group of people.
Research in developmental disabilities, 2014 · doi:10.1016/j.ridd.2014.04.003