Differences and correlations between horizontal and vertical single-leg jump performance, dynamic balance, and ankle dorsiflexion range of motion in male amateur rugby players according to playing positions

Eduardo Tondelli, Ian C Kenny, Thomas M Comyns, Santiago Zabaloy

    Research output: Contribution to journalArticlepeer-review

    Abstract

    OBJECTIVES: To explore the differences and correlations in the Y-Balance Test (YBT) scores, ankle-dorsiflexion range of motion (ADF ROM), single-leg drop jump (SLDJ) and single-leg hop for distance (SLHD) in amateur male rugby players by playing positions and limb dominance.

    DESIGN: Cross-sectional study.

    SETTING: Argentinian amateur rugby club.

    PARTICIPANTS: Male (n = 58) senior amateur rugby players.

    MAIN OUTCOME MEASURES: ADF ROM, YBT (anterior [AN], posteromedial, posterolateral, and composite [COM]), SLDJ and SLHD performances.

    RESULTS: Forwards demonstrated different anthropometric traits than backs (p < 0.001 to 0.003; ES: -0.508 to -1.331), whereas the latter attained better jump performance (p < 0.001-0.05; ES: 0.297-1.349) and YBT COM scores compared to the former, irrespective of limb dominance (p: 0.007-0.034; ES: 0.569-0.730). With regards to the associations, forwards' BMI (rho: -0.35 to -0.52, ES: 0.184) and ADF ROM values (rho: 0.41 to 0.53, ES: 0.184; r: 0.43 to 0.50, ES: 0.184) were associated to jump performance among both limbs. In contrast, for the backs, leg length was associated with SLHD (rho: 0.42-0.45, ES: 0.214) and YBT COM (rho: -0.67 to -0.76, ES: 0.215). Likewise, ADF ROM values (r: 0.44-0.56, ES: 0.185) were moderately associated to YBT AN in both limbs.

    CONCLUSIONS: Backs attained better dynamic balance, wider ADF ROM, and better unilateral vertical and horizontal jumps performances in dominant and non-dominant limb, compared to forwards. Additionally, ADF ROM maybe an important aspect to consider when aiming to improve balance and jump performance among forwards and backs.

    Original languageEnglish
    Pages (from-to)281-288
    Number of pages8
    JournalJournal of Bodywork and Movement Therapies
    Volume38
    DOIs
    Publication statusPublished - Apr 2024

    Keywords

    • Humans
    • Male
    • Cross-Sectional Studies
    • Range of Motion, Articular/physiology
    • Postural Balance/physiology
    • Football/physiology
    • Adult
    • Ankle Joint/physiology
    • Young Adult
    • Athletic Performance/physiology

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