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  • Levels of agreement for the direction of inter-limb asymmetry during four simple change-of-direction tests in young male handball players : a pilot study [Elektronski vir]
    Kozinc, Žiga ...
    The purpose of this pilot study was to investigate the effects of change-of-direction (CoD) angle (90° vs. 180°) and the inclusion of acceleration approach on total task time, CoD deficit, and ... agreement regarding inter-limb asymmetry direction across CoD tasks. The sample included 13 young male handball players (age: 22.4 % 3.2 years). The CoD tasks were performed over a 10 m distance with 90° and 180° turns. Both CoD tasks were performed under two conditions: (1) from the standing start and, (2) with a 10 m prior acceleration approach. Linear sprint times over a 10 m distance were also recorded for the purpose of determining the CoD deficit. The differences between the outcomes of different test variants were assessed with pairwise t-tests and associated Cohen%s d effect size. The agreement in terms of inter-limb asymmetry direction was assessed descriptively, using percentage of agreement. Results showed that the inclusion of the 10 m approach reduced the total task time (mean differences ranging between 0.26 and 0.35 s; d = 2.27%4.02; p < 0.002). The differences between 90° and 180° turn times were statistically significant under both conditions: (a) without approach (0.44%0.48 s; d = 4.72%4.84; all p < 0.001), and (b) with approach (0.50%0.54 s; d = 4.41%5.03; p < 0.001). The agreement regarding inter-limb asymmetry direction among the tasks was 30.7%61.5%. The differences between the tasks could be explained by the angle%velocity trade-off. The results of this study imply that the CoD tasks should not be used interchangeably when assessing inter-limb asymmetries.
    Source: Symmetry [Elektronski vir]. - ISSN 2073-8994 (Letn. 13, št. 5, okt. 2021, str. [1-7])
    Type of material - e-article ; adult, serious
    Publish date - 2021
    Language - english
    COBISS.SI-ID - 81869059

    Link(s):

    https://www.mdpi.com/journal/symmetry

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