Severe-intensity constant-work-rate cycling indicates that ramp incremental cycling underestimates ⩒o2max in a heterogeneous cohort of sedentary individuals

Avigdor D Arad, Kaitlyn Bishop, Deena Adimoolam, Jeanine B Albu and Fred J DiMenna

PLOS ONE, 2020, vol. 15, issue 7, 1-15

Abstract: In the absence of a ⩒o2-work-rate plateau, debate continues regarding the best way to verify that the peak ⩒o2 achieved during incremental exercise (⩒o2peak) is the “true ⩒o2max.” Oft-used “secondary criteria” have been questioned in conjunction with the contention that a severe-intensity constant-work-rate “verification bout” should be considered the “gold standard.” The purpose of this study was to compare the ⩒o2peak during ramp incremental cycling (RAMP-INC) by a heterogeneous (with respect to body composition and sex) cohort of sedentary individuals with the ⩒o2peak during severe-intensity constant-work-rate cycling (CWR) performed after RAMP-INC at the highest work rate achieved. A secondary purpose was to determine the degree to which traditional and newly-proposed age-dependent secondary criteria (RER, HR) identified RAMP-INC which CWR confirmed were characterized by a submaximal ⩒o2peak. Thirty-five healthy male (n = 19: 33.4 ± 6.3 yrs) and female (26.8 ± 3.6 yrs) sedentary participants performed RAMP-INC followed by CWR. The ⩒o2peak values from the two tests were correlated (r = 0.96; p

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0235567

DOI: 10.1371/journal.pone.0235567

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