Which indices of cardiorespiratory fitness are more strongly associated with brain health in children with overweight/obesity?

Author:

Haapala Eero A.12,Lubans David R.134,Jaakkola Timo1ORCID,Barker Alan R.5,Plaza‐Florido Abel67,Gracia‐Marco Luis68,Solis‐Urra Patricio6910ORCID,Cadenas‐Sanchez Cristina68,Esteban‐Cornejo Irene6811,Ortega Francisco B.168ORCID

Affiliation:

1. Faculty of Sport and Health Sciences University of Jyväskylä Jyväskylä Finland

2. Institute of Biomedicine, School of Medicine University of Eastern Finland Kuopio Finland

3. Centre for Active Living and Learning, School of Education The University of Newcastle Callaghan Australia

4. Active Living Research Program Hunter Medical Research Institute New Lambton Heights Australia

5. Children's Health and Exercise Research Centre, Public Health and Sports Sciences University of Exeter Exeter UK

6. Department of Physical Education and Sports, Faculty of Sport Sciences Sport and Health University Research Institute (iMUDS), University of Granada Granada Spain

7. Pediatric Exercise and Genomics Research Center, Department of Pediatrics School of Medicine, University of California at Irvine Irvine California USA

8. CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN) Instituto de Salud Carlos III Granada Spain

9. Nuclear Medicine Services, "Virgen de Las Nieves" University Hospital Granada Spain

10. Faculty of Education and Social Sciences Universidad Andres Bello Viña del Mar Chile

11. Instituto de Investigación Biosanitaria ibs.GRANADA Granada Spain

Abstract

AbstractPurposeTo compare the strength of associations between different indices of cardiorespiratory fitness (CRF) and brain health outcomes in children with overweight/obesity.MethodsParticipants were 100 children aged 8–11 years. CRF was assessed using treadmill exercise test (peak oxygen uptake [V̇O2peak], treadmill time, and V̇O2 at ventilatory threshold) and 20‐metre shuttle run test (20mSRT, laps, running speed, estimated V̇O2peak using the equations by Léger et al., Mahar et al., and Matsuzaka et al.). Intelligence, executive functions, and academic performance were assessed using validated methods. Total gray matter and hippocampal volumes were assessed using structural MRI.ResultsV̇O2peak/body mass (β = 0.18, 95% CI = 0.01–0.35) and treadmill time (β = 0.18–0.21, 95% CI = 0.01–0.39) were positively associated with gray matter volume. 20mSRT laps were positively associated with executive functions (β = 0.255, 95% CI = 0.089–0.421) and academic performance (β = 0.199–0.255, 95% CI = 0.006–0.421), and the running speed was positively associated with executive functions (β = 0.203, 95% CI = 0.039–0.367). Estimated V̇O2peak/Léger et al. was positively associated with intelligence, executive functions, academic performance, and gray matter volume (β = 0.205–0.282, 95% CI = 0.013–0.500). Estimated V̇O2peak/Mahar et al. and V̇O2peak/Matsuzaka et al. (speed) were positively associated with executive functions (β = 0.204–0.256, 95% CI = 0.031–0.436).ConclusionAlthough V̇O2peak is considered the gold standard indicator of CRF in children, peak performance (laps or running speed) and estimated V̇O2peak/Léger et al. derived from 20mSRT had stronger and more consistent associations with brain health outcomes than other indices of CRF in children with overweight/obesity.

Funder

European Commission

European Regional Development Fund

Fundación Alicia Koplowitz

Juho Vainion Säätiö

Publisher

Wiley

Subject

Physical Therapy, Sports Therapy and Rehabilitation,Orthopedics and Sports Medicine

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