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Article

Supra-Versus Submaximal Cycle Ergometer Verification of VO2max in Males and Females

1
Departments of Kinesiology and Biology, Point Loma Nazarene University, San Diego, CA 92106, USA
2
Department of Kinesiology, Point Loma Nazarene University, San Diego, CA 92106, USA
3
Department of Mathematical, Information, and Computer Sciences, Point Loma Nazarene University, San Diego, CA 92106, USA
*
Author to whom correspondence should be addressed.
This paper is dedicated to the memory of Dr. Ryan T. Botts who passed away suddenly on 22 September 2020.
Received: 19 November 2020 / Revised: 9 December 2020 / Accepted: 10 December 2020 / Published: 12 December 2020
This study was designed to determine the optimal intensity for verification phase testing (VP) in healthy, young adults. Thirty one young, active participants (16 females) completed a cycle ergometer graded exercise test (GXT) VO2max test and 4 VP tests at 80, 90, 100, and 105% of the maximum wattage achieved during the GXT. GXT and VP VO2max values showed a significant test x sex interaction (p = 0.02). The males elicited significantly higher VO2max values during the GXT, 80%, and 90% when compared to the 105%, (105 vs. GXT: p = 0.05; 105% vs. 80%: p < 0.01; 105% vs. 90%: p = 0.02). There were no significant differences in VO2max across the tests in the females (p > 0.05); 80% of the males achieved their highest VP VO2max during a submaximal VP test compared to only 37.5% of the females. A secondary study conducted showed excellent reliability (ICCs > 0.90) and low variation (CVs < 3%) for the 90% VP. Our findings show that a submaximal verification phase intensity is ideal for young healthy males to elicit the highest VO2max during cycle ergometer testing. For females, a range of intensities (80–105%) produce similar VO2max values. However, the 80% VP yields an unnecessarily high time to exhaustion. View Full-Text
Keywords: maximal oxygen uptake; true VO2max; criteria for VO2max; incremental exercise testing; sex difference maximal oxygen uptake; true VO2max; criteria for VO2max; incremental exercise testing; sex difference
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MDPI and ACS Style

Sawyer, B.J.; McMahon, N.; Thornhill, K.L.; Baughman, B.R.; Mahoney, J.M.; Pattison, K.L.; Freeberg, K.A.; Botts, R.T. Supra-Versus Submaximal Cycle Ergometer Verification of VO2max in Males and Females. Sports 2020, 8, 163. https://0-doi-org.brum.beds.ac.uk/10.3390/sports8120163

AMA Style

Sawyer BJ, McMahon N, Thornhill KL, Baughman BR, Mahoney JM, Pattison KL, Freeberg KA, Botts RT. Supra-Versus Submaximal Cycle Ergometer Verification of VO2max in Males and Females. Sports. 2020; 8(12):163. https://0-doi-org.brum.beds.ac.uk/10.3390/sports8120163

Chicago/Turabian Style

Sawyer, Brandon J., Nicholas McMahon, Kirsten L. Thornhill, Brett R. Baughman, Jenny M. Mahoney, Kai L. Pattison, Kaitlin A. Freeberg, and Ryan T. Botts 2020. "Supra-Versus Submaximal Cycle Ergometer Verification of VO2max in Males and Females" Sports 8, no. 12: 163. https://0-doi-org.brum.beds.ac.uk/10.3390/sports8120163

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