The Reliability and Sensitivity of the Sub-maximal Yo-Yo Intermittent Recovery test during a 6-week Pre-season

Phillip Keehne, James Wright, Chris Neville, Stewart Bruce-Low

    Research output: Other contribution

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    Abstract

    The Yo-Yo Intermittent Recovery – Level 1 (IR1) test is frequently used within professional soccer for the evaluation of a player’s physical performance; however, it’s exhaustive nature often limits the frequency of testing and the implementation of test results to coaching sessions. In replacement, it is suggested the sub-maximal 6-min Yo-Yo IR1 (Yo-Yo IR1sub) is more appropriate for routine testing, with much less impact on coaching planning and delivery. Previous research has demonstrated that the heart rate (HR) responses in the final minute of the Yo-Yo IR1sub are strongly correlated (r = –0.74) to a player’s relative maximum HR (%HRmax) (1). More recently, Owen et al. (2) and Doncaster et al.(3), concluded absolute HR taken in the final minute of the YoYo IR1sub provides a practical alternative to the Yo-Yo IR1, due to good levels of reliability (CV = 1.1–1.6%). There is, however, a lack of research focused on the sensitivity of the Yo-Yo IR1sub to detect change across a soccer mesocycle (e.g., pre-season).
    Original languageEnglish
    PublisherSport Performance & Science Reports
    Number of pages4
    Publication statusPublished - 26 Sept 2022

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