Academic journal article Research Quarterly for Exercise and Sport

A Biomechanical Analysis of the Yurchenko Layout Vault

Academic journal article Research Quarterly for Exercise and Sport

A Biomechanical Analysis of the Yurchenko Layout Vault

Article excerpt

Michael Bohne, Cherianne J. Mecham, Kasey Mitchell, and Julianne Abendroth-Smith, Utah State University

The purpose of this study was to compare performances of the Yurchenko Layout Vault to give biomechanically based feedback to coaches in gymnastics. A kinematic analysis was completed and critical components were established for each phase of the vault with emphasis placed on the early phases. Two experienced gymnasts (eight trials each) were videotaped and data were analyzed from both practice and meet situations, using a 2-D Motion Measurement system. Video was digitized at 30 Hz and filtered at 3 Hz. A deterministic model was created to help pinpoint important aspects that can be controlled by the athlete. The goal on the takeoff board was to maintain horizontal velocity while gaining as much vertical velocity as possible. The component of "reaching" on the board became the main focus, for when not executed properly, an explained sequence of events in latter phases would take place that led to a poor performance. In comparing the vaults, on average the better gymnast was able to maintain 88% of her horizon tal velocity, compared to 73% by the other vaulter, and the vertical velocity gained by the good vaulter was higher throughout both board and horse contact. …

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