Attractor dynamics of elite performance: the high bar longswing

Sophie Burton*, Domenico Vicinanza, Timothy Exell, Karl M. Newell, Gareth Irwin, Genevieve K.R. Williams

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

Combining biomechanics and motor control, the aim of this study was to investigate the limit cycle dynamics during the high bar longswing across the UK elite gymnastics pathway age groupings. Senior, junior and development gymnasts (N = 30) performed three sets of eight consecutive longswings on the high bar. The centre of mass motion was examined through Poincaré plots and recurrence quantification analysis exploring the limit cycle dynamics of the longswing. Close to one-dimensional limit cycles were displayed for the senior (correlation dimension (CD) = 1.17 ± .08), junior (CD = 1.26 ± .08) and development gymnasts (CD = 1.33 ± .14). Senior elite gymnasts displayed increased recurrence characteristics in addition to longer longswing duration (p < .01) and lower radial angular velocity of the mass centre (p < .01). All groups of gymnasts had highly recurrent and predictable limit cycle characteristics. The findings of this research support the postulation that the further practice, experience and individual development associated with the senior gymnasts contribute to the refinement of the longswing from a nonlinear dynamics perspective. These findings support the idea of functional task decomposition informing the understanding of skill and influencing coaches’ decisions around skill development and physical preparation.

Original languageEnglish
Number of pages14
JournalSports Biomechanics
Early online date26 Jul 2021
DOIs
Publication statusEarly online - 26 Jul 2021

Keywords

  • correlation dimension
  • Dynamical systems
  • gymnastics
  • longswing
  • motor control
  • recurrence

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