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Article

Quantification and Verification of Cardiorespiratory Fitness in Adults with Prehypertension

1
Department of Kinesiology and Nutrition Sciences, School of Integrated Health Sciences, University of Nevada Las Vegas, Las Vegas, NV 89154, USA
2
Department of Epidemiology and Biostatistics, School of Public Health, University of Nevada Las Vegas, Las Vegas, NV 89154, USA
*
Author to whom correspondence should be addressed.
Received: 1 December 2020 / Revised: 2 January 2021 / Accepted: 6 January 2021 / Published: 11 January 2021
Background: Low cardiorespiratory fitness is associated with increased risk of hypertension and atherosclerosis in adults with prehypertension. The purpose of this study was to quantify cardiorespiratory fitness and to examine the utility of supramaximal constant-load verification testing for validating maximal oxygen uptake (VO2max) attainment in adults with prehypertension. Methods: Eleven adults (four women) with prehypertension (22.5 ± 2.9 y; body mass index (BMI): 24.6 ± 3.2 kg·m2) underwent an incremental exercise test followed 15 min later by a verification test at 105% of maximal work rate on a cycle ergometer. Results: There was no statistical difference in VO2 between the incremental (2.23 ± 0.54 L·min−1) and verification tests (2.28 ± 0.54 L·min−1; p = 0.180). Only three out of eleven participants had a higher VO2 during the verification when compared with the incremental test. If the verification test had not been conducted, one participant would have been incorrectly classified as having low cardiorespiratory fitness based on incremental test results alone. Conclusions: Verification testing validates the attainment of VO2max and can potentially reduce the over-diagnosis of functional impairment (i.e., deconditioning) in adults with prehypertension. View Full-Text
Keywords: blood pressure; aerobic fitness; 3-min all-out exercise test; VO2max; deconditioning blood pressure; aerobic fitness; 3-min all-out exercise test; VO2max; deconditioning
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MDPI and ACS Style

Bhammar, D.M.; Chien, L.-C. Quantification and Verification of Cardiorespiratory Fitness in Adults with Prehypertension. Sports 2021, 9, 9. https://doi.org/10.3390/sports9010009

AMA Style

Bhammar DM, Chien L-C. Quantification and Verification of Cardiorespiratory Fitness in Adults with Prehypertension. Sports. 2021; 9(1):9. https://doi.org/10.3390/sports9010009

Chicago/Turabian Style

Bhammar, Dharini M., and Lung-Chang Chien. 2021. "Quantification and Verification of Cardiorespiratory Fitness in Adults with Prehypertension" Sports 9, no. 1: 9. https://doi.org/10.3390/sports9010009

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