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Inter-methodological quantification of the target change for performance test outcomes relevant to elite female soccer players

Datson, N, Lolli, L, Drust, B, Atkinson, G, Weston, M and Gregson, W (2021) Inter-methodological quantification of the target change for performance test outcomes relevant to elite female soccer players. Science and Medicine in Football. ISSN 2473-3938

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Abstract

Introduction: Valid and informed interpretations of changes in physical performance test data are important within athletic development programmes. At present, there is a lack of consensus regarding a suitable method for deeming whether a change in physical performance is practically relevant or not.
Methods: We compared true population variance in mean test scores between those derived from evidence synthesis of observational studies to those derived from practioner opinion (n = 30), and to those derived from a measurement error (minimal detectable change) quantification (n = 140). All these methods can help to obtain ‘target’ change score values for performance variables.
Results: We found that the conventional ‘blanket’ target change of 0.2 (between-subjects SD) systematically underestimated practically relevant and more informed changes derived for 5-m sprinting, 30-m sprinting, CMJ, and Yo-Yo Intermittent Recovery Level 1 (IR1) tests in elite female soccer players.
Conclusions: For the first time in the field of sport and exercise sciences, we have illustrated the use of a principled approach for comparing different methods for the definition of changes in physical performance test variables that are practically relevant. Our between-method comparison approach provides preliminary guidance for arriving at target change values that may be useful for research purposes and tracking of individual female soccer player’s physical performance.

Item Type: Article
Additional Information: This is an Accepted Manuscript version of the following article, accepted for publication in Science and Medicine in Football. Naomi Datson, Lorenzo Lolli, Barry Drust, Greg Atkinson, Matthew Weston & Warren Gregson (2021) Inter-methodological quantification of the target change for performance test outcomes relevant to elite female soccer players, Science and Medicine in Football, DOI: 10.1080/24733938.2021.1942538. It is deposited under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Subjects: R Medicine > RC Internal medicine > RC1200 Sports Medicine
Divisions: Sport & Exercise Sciences
Publisher: Taylor and Francis
Date Deposited: 22 Sep 2021 10:29
Last Modified: 22 Sep 2021 10:45
DOI or Identification number: 10.1080/24733938.2021.1942538
URI: https://researchonline.ljmu.ac.uk/id/eprint/15529

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