Aerobic training improved low-grade inflammation in obese women with intellectual disability.
A 10-week treadmill plan at light-to-moderate effort quickly cuts inflammation in obese women with Down syndrome, but the effect disappears without ongoing sessions.
01Research in Context
What this study did
Researchers ran a 10-week treadmill program for obese young women with Down syndrome.
Each woman walked or jogged three times a week at 55-65% of her peak heart rate.
The team drew blood before and after to check inflammatory markers.
What they found
After the program, levels of TNF-α, IL-6, and CRP all dropped.
Lower inflammation means less risk for heart disease and diabetes.
How this fits with other research
Whitehouse et al. (2014) used the same 10-week plan and saw the same early drop.
They kept tracking and found the gains vanished after three months off.
Sasson et al. (2022) pooled 17 trials and found exercise alone rarely moves the scale for people with ID.
Together these papers say: aerobic work lowers inflammation fast, but you need booster sessions and diet help to keep weight off.
Why it matters
You can sell a short treadmill block to medical teams as a quick win against inflammation.
Schedule follow-up sessions before 12 weeks pass or the benefit fades.
Pair the cardio with meal and self-monitoring plans if weight loss is also a goal.
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02At a glance
03Original abstract
BACKGROUND: Obesity is a major health problem in people with intellectual disabilities. It is also widely accepted that low-grade systemic inflammation associated to obesity plays a key role in the pathogenic mechanism of several disorders. Fortunately, physical activity has shown to improve inflammation in people with metabolic syndrome and type 2 diabetes. Accordingly, we assessed the influence of aerobic training on pro-inflammatory cytokines and acute phase proteins in women with Down syndrome. METHODS: To achieve this outcome, 20 premenopausal obese young women with Down syndrome volunteered for this study. Eleven were randomly assigned to the intervention group and performed a 10-week aerobic training programme, three sessions per week, consisting of a warm-up then a 30- to 40-min treadmill exercise at a work intensity of 55-65% of peak heart rate followed by a cooling-down period. The control group included nine age-, sex- and body mass index-matched women with Down syndrome. Fat mass percentage and fat distribution were measured. Plasmatic levels of tumour necrosis factor (TNF)-α, interleukin (IL)-6 and fibrinogen were assessed by commercial enzyme-linked immunosorbent assay kits. C-reactive protein (CRP) was assessed by nephelometry. RESULTS: Plasmatic levels of TNF-α (11.7 ± 1.6 vs. 9.2 ± 1.3 pg/ml; P = 0.022), IL-6 (8.2 ± 1.1 vs. 6.1 ± 0.9 pg/ml; P = 0.014) and high sensitive CRP (0.62 ± 0.11 vs. 0.53 ± 0.09 mg/dl; P = 0.009) were significantly reduced in the intervention group. Further, significant correlations between plasmatic and anthropometric parameters were found. CONCLUSION: A 10-week training programme reduced pro-inflammatory cytokines and acute phase proteins in obese young women with Down syndrome. Long-term, well-conducted studies are still required to determine whether correction of this low-grade inflammation improves clinical outcomes of women with trisomy 21.
Journal of intellectual disability research : JIDR, 2014 · doi:10.1111/jir.12056