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Cardiorespiratory fitness, fatness, and the acute blood pressure response to exercise in adolescence

Huang, Z ORCID: 0000-0002-0196-5109, Park, C, Chaturvedi, N, Howe, LD, Sharman, JE ORCID: 0000-0003-2792-0811, Hughes, AD and Schultz, MG ORCID: 0000-0003-3458-1811 2021 , 'Cardiorespiratory fitness, fatness, and the acute blood pressure response to exercise in adolescence' , Scandinavian Journal of Medicine and Science in Sports , pp. 1-6 , doi:

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Objective: Exaggerated exercise blood pressure (BP) is associated with cardiovascular risk factors in adolescence. Cardiorespiratory fitness and adiposity (fatness) areindependent contributors to cardiovascular risk, but their interrelated associationswith exercise BP are unknown. This study aimed to determine the relationships between fitness, fatness, and the acute BP response to exercise in a large birth cohort ofadolescents.Methods: 2292 adolescents from the Avon Longitudinal Study of Parents andChildren (aged 17.8 ± 0.4 years, 38.5% male) completed a sub-maximal exercisestep test that allowed fitness (VO2 max) to be determined from workload and heart rateusing a validated equation. Exercise BP was measured immediately on test cessationand fatness calculated as the ratio of total fat mass to total body mass measured byDXA.Results: Post-exercise systolic BP decreased stepwise with tertile of fitness (146(18); 142 (17); 141 (16) mmHg) but increased with tertile of fatness (138 (15); 142(16); 149 (18) mmHg). In separate models, fitness and fatness were associated withpost-exercise systolic BP adjusted for sex, age, height, smoking, and socioeconomicstatus (standardized β: −1.80, 95%CI: −2.64, −0.95 mmHg/SD and 4.31, 95%CI:3.49, 5.13 mmHg/SD). However, when fitness and fatness were included in thesame model, only fatness remained associated with exercise BP (4.65, 95%CI: 3.69,5.61 mmHg/SD).Conclusion: Both fitness and fatness are associated with the acute BP response to exercise in adolescence. The fitness-exercise BP association was not independent of fatness, implying the cardiovascular protective effects of cardiorespiratory fitness mayonly be realized with more favorable body composition.

Item Type: Article
Authors/Creators:Huang, Z and Park, C and Chaturvedi, N and Howe, LD and Sharman, JE and Hughes, AD and Schultz, MG
Keywords: exercise, blood pressure, hypertension, public health
Journal or Publication Title: Scandinavian Journal of Medicine and Science in Sports
Publisher: Blackwell Munksgaard
ISSN: 0905-7188
DOI / ID Number:
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Copyright 2021 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd

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