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- W4205692020 abstract "Physical activity breaks are widely being implemented in school settings as a solution to increase academic performance and reduce sitting time. However, the underlying physiological mechanisms suggested to improve cognitive function from physical activity and the frequency, intensity, and duration of the breaks remain unknown. This study will investigate the effects of frequent, short physical activity breaks during prolonged sitting on task-related prefrontal cerebral blood flow, cognitive performance, and psychological factors. Additionally, the moderating and mediating effects of arterial stiffness on changes in cerebral blood flow will be tested.This is a protocol for a randomized crossover study that will recruit 16 adolescents (13-14 years old). Participants will undergo three different conditions in a randomized order, on three separate days, involving sitting 80 min with a different type of break every 17 min for 3 min. The breaks will consist of (1) seated social breaks, (2) simple resistance activities, and (3) step-up activities. Before and after the 80-min conditions, prefrontal cerebral blood flow changes will be measured using functional near-infrared spectroscopy (primary outcome), while performing working memory tasks (1-, 2-, and 3-back tests). Arterial stiffness (augmentation index and pulse wave velocity) and psychological factors will also be assessed pre and post the 80-min interventions.Publication of this protocol will help to increase rigor in science. The results will inform regarding the underlying mechanisms driving the association between physical activity breaks and cognitive performance. This information can be used for designing effective and feasible interventions to be implemented in schools.www.ClinicalTrials.gov , NCT04552626 . Retrospectively registered on September 21, 2020." @default.
- W4205692020 created "2022-01-26" @default.
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- W4205692020 date "2022-01-06" @default.
- W4205692020 modified "2023-09-30" @default.
- W4205692020 title "ABBaH teens: Activity Breaks for Brain Health in adolescents: study protocol for a randomized crossover trial" @default.
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- W4205692020 doi "https://doi.org/10.1186/s13063-021-05972-5" @default.
- W4205692020 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34991692" @default.
- W4205692020 hasPublicationYear "2022" @default.
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