Responses during exhaustive exercise at critical power determined from the 3-min all-out test

Haley C. Bergstrom, Terry J. Housh, Jorge M Zuniga, Daniel A. Traylor, Robert W. Lewis, Clayton L. Camic, Richard J. Schmidt, Glen O. Johnson

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The purpose of the present study was to examine oxygen consumption rate (V O2), heart rate (HR), and ratings of perceived exertion (RPE) responses, as well as time to exhaustion (Tlim) values during continuous rides at critical power (CP) determined from the 3-min all-out test. Eighteen participants (mean±s: 23.6±3.5 years; 72.7±18.2 kg) performed an incremental cycle ergometer test to exhaustion to determine peak oxygen consumption rate (V O2 peak) and HR peak. Critical power was determined from the 3-min all-out test. Metabolic responses (V O2 and heart rate), RPE, and Tlim were recorded during continuous rides to exhaustion at CP. Linear regression and t-tests were used to compare V O2, heart rate, and RPE responses during the continuous rides to exhaustion. The Tlim at CP was 12.5±6.5 min. There were significant increases in V O2, HR, and RPE during the continuous rides at CP and 15 of the 18 participants reached V O2 peak at exhaustion. Therefore, the V O2, heart rate, and RPE responses, as well as the Tlim values in the present study suggested that CP determined from the 3-min all-out test overestimated the "true" CP and was within the severe exercise intensity domain.

Original languageEnglish (US)
Pages (from-to)537-545
Number of pages9
JournalJournal of Sports Sciences
Volume31
Issue number5
DOIs
StatePublished - Apr 1 2013

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Heart Rate
Oxygen Consumption
Linear Models

Keywords

  • Cycle ergometry
  • Exercise intensity domains
  • Fatigue thresholds
  • Time to exhaustion

ASJC Scopus subject areas

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

Cite this

Bergstrom, H. C., Housh, T. J., Zuniga, J. M., Traylor, D. A., Lewis, R. W., Camic, C. L., ... Johnson, G. O. (2013). Responses during exhaustive exercise at critical power determined from the 3-min all-out test. Journal of Sports Sciences, 31(5), 537-545. https://doi.org/10.1080/02640414.2012.738925

Responses during exhaustive exercise at critical power determined from the 3-min all-out test. / Bergstrom, Haley C.; Housh, Terry J.; Zuniga, Jorge M; Traylor, Daniel A.; Lewis, Robert W.; Camic, Clayton L.; Schmidt, Richard J.; Johnson, Glen O.

In: Journal of Sports Sciences, Vol. 31, No. 5, 01.04.2013, p. 537-545.

Research output: Contribution to journalArticle

Bergstrom, HC, Housh, TJ, Zuniga, JM, Traylor, DA, Lewis, RW, Camic, CL, Schmidt, RJ & Johnson, GO 2013, 'Responses during exhaustive exercise at critical power determined from the 3-min all-out test', Journal of Sports Sciences, vol. 31, no. 5, pp. 537-545. https://doi.org/10.1080/02640414.2012.738925
Bergstrom, Haley C. ; Housh, Terry J. ; Zuniga, Jorge M ; Traylor, Daniel A. ; Lewis, Robert W. ; Camic, Clayton L. ; Schmidt, Richard J. ; Johnson, Glen O. / Responses during exhaustive exercise at critical power determined from the 3-min all-out test. In: Journal of Sports Sciences. 2013 ; Vol. 31, No. 5. pp. 537-545.
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