Brief Report: Physical Activity, Body Mass Index and Arterial Stiffness in Children with Autism Spectrum Disorder: Preliminary Findings.
Kids with autism who sit more and weigh more show early blood-vessel aging.
01Research in Context
What this study did
Doctors measured how stiff the main artery in the neck was in a small group of children with autism.
They also tracked how much the kids moved each day and recorded their height and weight.
The goal was to see if low activity or high body weight links to early heart risk.
What they found
Children who moved less and carried extra weight had stiffer arteries.
Stiffer arteries in young kids can signal future heart trouble.
How this fits with other research
Jean-Arwert et al. (2020) widens the picture: boys aged 6-11 with autism get only half the daily activity of typical peers.
Coffey et al. (2021) adds that across 244 elementary kids, those with autism score lower on every fitness test.
Together the papers build a chain: less play leads to lower fitness, higher BMI, and now stiffer arteries.
Miltenberger et al. (2013) seems to disagree, finding equal moderate-vigorous minutes by accelerometer, but parents in that study still reported fewer overall activity types, so the total movement gap remains.
Why it matters
You already track language and social goals. Add a quick health check: note BMI and ask about playground time. If either is high or low, weave short movement breaks into therapy. Five-minute jump or chase games every 30 minutes can protect both heart and brain without stealing table-time.
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02At a glance
03Original abstract
We examined the association between physical activity (PA), body mass index (BMI) and novel measures of subclinical cardiovascular disease (CVD) in 15 children with autism spectrum disorder (ASD) (mean age 7 ± 2 years, 2 girls). PA was objectively assessed using accelerometry as time spent in moderate-vigorous physical activity (MVPA). Arterial stiffness was measured via aortic pulse wave velocity (PWV) and taken as a marker of subclinical CVD risk. MVPA was inversely associated with aortic PWV (r = - 0.46, p < 0.05). BMI percentile was positively associated with aortic PWV (r = 0.61, p < 0.05). Overall findings suggest that reduced PA and higher body mass in children with ASD are associated with increased arterial stiffness which may have a detrimental impact on overall cardiovascular health.
Journal of autism and developmental disorders, 2018 · doi:10.1007/s10803-017-3358-z