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Criterion validity of a field-based assessment of aerobic capacity in wheelchair rugby athletes

journal contribution
posted on 20.10.2020, 13:20 by Vicky Goosey-Tolfrey, Sonja de Groot, Keith Tolfrey, Tom Paulson
Purpose: To confirm whether peak aerobic capacity determined during laboratory testing could be replicated during an on-court field-based test in wheelchair rugby (WR) players. Methods: Sixteen WR players performed an incremental speed-based peak oxygen uptake (V̇O2peak) test on a motorised treadmill (TM) and completed a Multi-stage Fitness Test (MFT) on a basketball court in a counter-balanced order while spirometric data were recorded. A paired t-test was performed to check for systematic error between tests. A Bland-Altman plot for V̇O2peak illustrated the agreement between the TM and MFT results and how this related to the boundaries of practical equivalence. Results: No significant differences between mean V̇O2peak were reported (TM:1.85±0.63 vs. MFT: 1.81±0.63 L.min-1; p=0.33). Bland-Altman plot for V̇O2peak suggests that the mean values are in good agreement at the group level; i.e., the exact 95% confidence limits for the ratio systematic error (0.95 to 1.02) are within the boundaries of practical equivalence (0.88 to 1.13) showing the group average TM and MFT values are interchangeable. However, consideration of the data at the level of the individual athlete suggests the TM and MFT results were not interchangeable because the 95% ratio limits of agreement either coincide with the boundaries of practical equivalence (upper limit) or fall outside (lower limit). Conclusions: Results suggest that the MFT provides a suitable test at a group level with this cohort of WR players for the assessment of V̇O2peak (range 0.97 – 3.64 L∙min-1), yet caution is noted for interchangeable use of values between tests for individual players.

History

School

  • Sport, Exercise and Health Sciences

Published in

International Journal of Sports Physiology and Performance

Publisher

Human Kinetics

Version

AM (Accepted Manuscript)

Publisher statement

Accepted author manuscript version reprinted, by permission, from International Journal of Sports Physiology and Performance, 2020 (ahead of print). © Human Kinetics, Inc. [or copyright notice shown in journal, if different]

Acceptance date

19/10/2020

ISSN

1555-0265

eISSN

1555-0273

Language

en

Depositor

Prof Vicky Tolfrey. Deposit date: 19 October 2020

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