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Effects of a school-based physical activity program on retinal microcirculation and cognitive function in adolescents
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 4598795
Author(s) Ludyga, Sebastian; Köchli, Sabrina; Pühse, Uwe; Gerber, Markus; Hanssen, Henner
Author(s) at UniBasel Ludyga, Sebastian
Pühse, Uwe
Gerber, Markus
Hanssen, Henner
Year 2019
Title Effects of a school-based physical activity program on retinal microcirculation and cognitive function in adolescents
Journal Journal of Science and Medicine in Sport
Volume 22
Number 6
Pages / Article-Number 672-676
Keywords Adolescence; Cerebrovascular health; Cognitive performance; Exercise; Physical activity
Mesh terms Adolescent; Child; Cognition; Exercise; Female; Humans; Male; Microcirculation; Physical Education and Training; Reaction Time; Retinal Vessels, anatomy & histology; Schools; Stroop Test
Abstract To investigate the effect of combined aerobic and coordinative exercise on retinal microcirculation and its association with changes in cognitive performance in healthy adolescents.; Using cluster-randomization (on class-level), 36 participants were allocated to an exercise group (EX) performing a 20-min aerobic and coordinative exercise session on each school day over a period of 8 weeks or a control group, which was encouraged to have social interactions (CON).; Prior to and following the intervention period, central retinal arteriolar (CRAE) and venular diameters (CRVE) were assessed by use of a static vessel analyzer. Additionally, a computer-based version of the Stroop Color-Word task was administered to assess inhibitory control.; The statistical analysis revealed that EX compared to CON showed higher CRAE at post-test, when pre-test values were accounted for, F(1,32)=4.92, p=0.036, η; 2; =0.130. In contrast, no such effect was reported for CRVE. With regard to cognitive performance, a greater reduction of reaction time on the Stroop task was observed in EX relative to CON, F(1,30)=8.58, p=0.006, η; 2; =0.222. The increase in CRAE was significantly correlated with a decrease of reaction time on trials demanding inhibitory control, even after adjusting for covariates, r(31)=-0.438, p=0.011.; A structured exercise program leads to a widening of retinal arteriolar diameters, which is associated with improvements in inhibitory control. Consequently, daily exercise sessions performed during the school break-time can be recommended for promoting both cardiovascular and cognitive health in adolescents.
Publisher Elsevier
ISSN/ISBN 1878-1861 ; 1440-2440
edoc-URL https://edoc.unibas.ch/77048/
Full Text on edoc No
Digital Object Identifier DOI 10.1016/j.jsams.2018.11.029
PubMed ID http://www.ncbi.nlm.nih.gov/pubmed/30553766
ISI-Number WOS:000474682100010
Document type (ISI) Journal Article, Randomized Controlled Trial
 
   

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