Verification of maximal oxygen uptake in obese and nonobese children

Dharini M. Bhammar, Jonathon L. Stickford, Vipa Bernhardt, Tony G. Babb

Research output: Contribution to journalArticlepeer-review

25 Scopus citations


Purpose: The purpose of this study was to examine whether a supramaximal constant-load verification test at 105% of the highest work rate would yield a higher VO2max when compared with an incremental test in 10- to 12-yr-old nonobese and obese children. Methods: Nine nonobese (body mass index percentile = 57.5 ± 23.2) and nine obese (body mass index percentile = 97.9 ± 1.4) children completed a two-test protocol that included an incremental test followed 15min later by a supramaximal constant-load verification test. Results: TheVO2max achieved in verification testing (nonobese = 1.71 ± 0.31 L min-1 and obese = 1.94 ± 0.47 L min-1) was significantly higher than that achieved during the incremental test (nonobese = 1.57 ± 0.27 L min-1 and obese = 1.84 ± 0.48 L min-1; P G 0.001). There was no significant group (i.e., nonobese vs obese)-test (i.e., incremental vs verification) interaction, suggesting that there was no effect of obesity on the difference between verification and incremental VO2max (P = 0.747). Conclusion: A verification test yielded significantly higher values of VO2max when compared with the incremental test in obese children. Similar results were observed in nonobese children. Supramaximal constant-load verification is a time-efficient and welltolerated method for identifying the highest VO2 in nonobese and obese children.

Original languageEnglish (US)
Pages (from-to)702-710
Number of pages9
JournalMedicine and science in sports and exercise
Issue number4
StatePublished - 2017


  • Aerobic capacity
  • Cardiorespiratory
  • Fitness
  • Obesity
  • Pediatric
  • Validation test

ASJC Scopus subject areas

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


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