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Are Peak Oxygen Uptake and Power Output at Maximal Lactate Steady State Obtained from a 3-Min All-Out Cycle Test?
Institute of Training Science and Sport Informatics, German Sports University Cologne, Germany.
Institute of Training Science and Sport Informatics, German Sports University Cologne, Germany.
Institute of Training Science and Sport Informatics, German Sports University Cologne, Germany.
Institute of Training Science and Sport Informatics, German Sports University Cologne, Germany.
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2011 (English)In: International Journal of Sports Medicine, ISSN 0172-4622, Vol. 32, no 6, 433-437 p.Article in journal (Refereed) Published
Abstract [en]

The aim of the study was to examine whether 1) the power output attained in the last 30 s of a 3-min all-out test (P(end)) correlates with the power output at maximal lactate steady state (P(MLSS)) and whether 2) peak oxygen uptake (VO(2peak)) can be obtained from a 3-min all-out test in well-trained cyclists. 18 cyclists (23 +/- 3 years; 186.1 +/- 6.9 cm; 79.1 +/- 8.2kg; VO(2peak) : 63.2 +/- 5.2 mL . kg(-1) . min(-1)) performed a ramp test, a 3-min all-out test and several submaximal constant 30 min-workload tests at + 15, 0, -15, -30, -45, -60, -75, -90 W of P(end) to obtain P(MLSS). P(MLSS) was significantly lower compared to P(END) (p < 0.001; mean difference: 54 +/- 18 W) with a high correlation (r = 0.93; R(2) = 0.87; p < 0.001) but great intra-individual variability (15-90 W). There were no mean differences between the ramp-VO(2)peak and 3-min all-out cycling VO(2peak) (p = 0.29; mean difference: 133 +/- 514 mL . min(-1)) showing significant correlation (r = 0.60; R(2) = 0.37; p = 0.006) but great intra-individual variability (1057-1312 mL . min(-1)). We therefore suggest that in well-trained cyclists a 3-min all-out test is 1) not sufficient to obtain P(MLSS) and 2) should not be applied to assess VO(2peak).

Place, publisher, year, edition, pages
2011. Vol. 32, no 6, 433-437 p.
Keyword [en]
cycling; endurance; humans; lactic acid; male; oxygen consumption
National Category
Sport and Fitness Sciences
Identifiers
URN: urn:nbn:se:miun:diva-12297DOI: 10.1055/s-0031-1271770ISI: 000291936800006Scopus ID: 2-s2.0-79959602961OAI: oai:DiVA.org:miun-12297DiVA: diva2:372531
Projects
Integrative Human Physiology
Available from: 2010-11-25 Created: 2010-11-25 Last updated: 2011-12-13Bibliographically approved

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CiteExportLink to record
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