Abstract
SummaryBackgroundSeveral studies document reliable brain health benefits of acute exercise bouts. However, no prior studies have explored such effects among those living with co‐morbid overweight/obesity and type 2 diabetes (T2DM), both of which are conditions associated with cognitive performance decrements.PurposeTo examine the impact of a 30‐min bout of moderate‐intensity aerobic exercise on executive function among adults with overweight/obesity and T2DM, employing a widely used experimental paradigm.MethodsThirty adults with overweight/obesity and T2DM were randomly assigned to moderate (30% maximal heart rate reserve) and minimal (r.p.m. 30–50; work load 5) intensity aerobic exercise. Pre‐exercise to post‐exercise changes in Stroop interference and Go/No‐Go scores were compared across conditions.ResultsPrimary analyses revealed no overall effect of exercise condition on changes in Stroop or Go/No‐Go performance. Post‐hoc moderation analyses indicated that Stroop interference scores were reduced, following moderate exercise among female participants and among those who were more physically active.ConclusionThe current study revealed no reliable benefit of acute aerobic exercise for overweight and obese individuals living with T2DM overall. There may be limited benefits for women and more and active subgroups, but the precise nature of such benefits remains unclear.
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