Influence of test duration on oxygen uptake attained during treadmill running

David V B James, Leigh E. Sandals, Stephen B. Draper, Sara Maldonado-Martín, Dan M. Wood

Research output: Contribution to journalJournal Article

1 Citation (Scopus)

Abstract

Previous investigations have revealed that in well-trained middle-distance runners, oxygen uptake (VO 2) does not attain maximal values (VO 2max) in exhaustive treadmill trials where the VO 2 demand exceeds VO 2max . To date, this shortfall in the VO 2 attained has been demonstrated in trials as short as 2 min in duration. In this study, we investigated whether a reduction in exhaustive test duration influences the VO 2 attained during running on a treadmill. Six middle-distance runners participated in the study, completing an exhaustive 400 m and 800 m trial. These trials, together with a progressive test to determine VO 2max , were completed in a counterbalanced order. Oxygen uptakes attained during the 400 m and 800 m trials were compared to examine the influence of exhaustive test duration. A plateau in VO 2 was observed in all participants for the progressive test, demonstrating the attainment of VO 2max . The mean speed, duration, and resulting distance in the constant-speed exhaustive trials were 25.8 km × h (1 (s01.2), 55.8 s (s 02.3), and 400.2 m (s 020.2) for the 400 m trial, and 24.3 km × h (1 (s00.8), 108.4 s (s 021.2), and 730.1 m (s0129.1) for the 800 m trial, respectively. A paired-samples t-test revealed a significantly different (P 00.018)%VO 2max was attained for the 400 m (85.7%, s 03.0) and 800 m (89.1%, s05.0) trials. In conclusion, VO 2 did not reach VO 2max during the exhaustive constant-speed 400 m and 800 m trials, but the test duration does influence the%VO 2max achieved. Specifically, the VO 2 attained becomes progressively further below VO 2max as trial duration is reduced, such that 89% and 86% VO 2max is achieved in exhaustive 800 m and 400 m constant-speed trials, respectively.
Original languageEnglish
Pages (from-to)225-230
Number of pages6
JournalJournal of Sports Sciences
Volume8
Issue number4
DOIs
Publication statusPublished - Jul 2008
Externally publishedYes

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Keywords

  • 400 m
  • 800 m
  • Middle-distance
  • VO2 response

Cite this

James, David V B ; Sandals, Leigh E. ; Draper, Stephen B. ; Maldonado-Martín, Sara ; Wood, Dan M. / Influence of test duration on oxygen uptake attained during treadmill running. In: Journal of Sports Sciences. 2008 ; Vol. 8, No. 4. pp. 225-230.
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Influence of test duration on oxygen uptake attained during treadmill running. / James, David V B; Sandals, Leigh E.; Draper, Stephen B.; Maldonado-Martín, Sara; Wood, Dan M.

In: Journal of Sports Sciences, Vol. 8, No. 4, 07.2008, p. 225-230.

Research output: Contribution to journalJournal Article

TY - JOUR

T1 - Influence of test duration on oxygen uptake attained during treadmill running

AU - James, David V B

AU - Sandals, Leigh E.

AU - Draper, Stephen B.

AU - Maldonado-Martín, Sara

AU - Wood, Dan M.

PY - 2008/7

Y1 - 2008/7

N2 - Previous investigations have revealed that in well-trained middle-distance runners, oxygen uptake (VO 2) does not attain maximal values (VO 2max) in exhaustive treadmill trials where the VO 2 demand exceeds VO 2max . To date, this shortfall in the VO 2 attained has been demonstrated in trials as short as 2 min in duration. In this study, we investigated whether a reduction in exhaustive test duration influences the VO 2 attained during running on a treadmill. Six middle-distance runners participated in the study, completing an exhaustive 400 m and 800 m trial. These trials, together with a progressive test to determine VO 2max , were completed in a counterbalanced order. Oxygen uptakes attained during the 400 m and 800 m trials were compared to examine the influence of exhaustive test duration. A plateau in VO 2 was observed in all participants for the progressive test, demonstrating the attainment of VO 2max . The mean speed, duration, and resulting distance in the constant-speed exhaustive trials were 25.8 km × h (1 (s01.2), 55.8 s (s 02.3), and 400.2 m (s 020.2) for the 400 m trial, and 24.3 km × h (1 (s00.8), 108.4 s (s 021.2), and 730.1 m (s0129.1) for the 800 m trial, respectively. A paired-samples t-test revealed a significantly different (P 00.018)%VO 2max was attained for the 400 m (85.7%, s 03.0) and 800 m (89.1%, s05.0) trials. In conclusion, VO 2 did not reach VO 2max during the exhaustive constant-speed 400 m and 800 m trials, but the test duration does influence the%VO 2max achieved. Specifically, the VO 2 attained becomes progressively further below VO 2max as trial duration is reduced, such that 89% and 86% VO 2max is achieved in exhaustive 800 m and 400 m constant-speed trials, respectively.

AB - Previous investigations have revealed that in well-trained middle-distance runners, oxygen uptake (VO 2) does not attain maximal values (VO 2max) in exhaustive treadmill trials where the VO 2 demand exceeds VO 2max . To date, this shortfall in the VO 2 attained has been demonstrated in trials as short as 2 min in duration. In this study, we investigated whether a reduction in exhaustive test duration influences the VO 2 attained during running on a treadmill. Six middle-distance runners participated in the study, completing an exhaustive 400 m and 800 m trial. These trials, together with a progressive test to determine VO 2max , were completed in a counterbalanced order. Oxygen uptakes attained during the 400 m and 800 m trials were compared to examine the influence of exhaustive test duration. A plateau in VO 2 was observed in all participants for the progressive test, demonstrating the attainment of VO 2max . The mean speed, duration, and resulting distance in the constant-speed exhaustive trials were 25.8 km × h (1 (s01.2), 55.8 s (s 02.3), and 400.2 m (s 020.2) for the 400 m trial, and 24.3 km × h (1 (s00.8), 108.4 s (s 021.2), and 730.1 m (s0129.1) for the 800 m trial, respectively. A paired-samples t-test revealed a significantly different (P 00.018)%VO 2max was attained for the 400 m (85.7%, s 03.0) and 800 m (89.1%, s05.0) trials. In conclusion, VO 2 did not reach VO 2max during the exhaustive constant-speed 400 m and 800 m trials, but the test duration does influence the%VO 2max achieved. Specifically, the VO 2 attained becomes progressively further below VO 2max as trial duration is reduced, such that 89% and 86% VO 2max is achieved in exhaustive 800 m and 400 m constant-speed trials, respectively.

KW - 400 m

KW - 800 m

KW - Middle-distance

KW - VO2 response

U2 - 10.1080/17461390802116708

DO - 10.1080/17461390802116708

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JO - Journal of Sports Sciences

JF - Journal of Sports Sciences

SN - 0264-0414

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