Date of Award

8-2022

Degree Type

Report

Degree Name

Bachelor of Science (BS)

Department

Kinesiology and Health Science

Committee Chair(s)

Talin Louder

Committee

Talin Louder

Committee

Dale Wagner

Committee

Breanna Studenka

Abstract

The reactive strength index (RSI) is a popularized method of evaluating depth jump performance. Performance in anticipation of ground impact is influenced by the proprioceptive, vestibular, and visuomotor systems through multisensory integration. The contribution of vision to depth jump performance has been studied through use of stroboscopic goggles, but no study has evaluated which visuomotor skills may be a predictor for DJ performance. The purpose of this investigation was to evaluate the association between visuomotor skills and the effects of stroboscopic vision on DJ performance. Participants consisted of 9 female and 13 male college aged adults. DJ performance was evaluated using RSI via force platform data under conditions of full vision and stroboscopic vision set at a frequency of 3 Hz. Subjects completed seven visuomotor assessments, and performed 6 trials of DJ’s in both the stroboscopic and full vision conditions off a 0.51m plyometric box. Main effects were evaluated for statistical significance using two-way analyses of variance (ANOVA’s). Upon observation of a significant interaction, post-hoc analysis was performed using one-way repeated measures ANOVA followed with paired t-tests to evaluate for main effects of visual condition on trial number, as well as visual condition on RSI scores. Significant interaction was observed between stroboscopic vision and RSI scores with a reduction of 8.5%. The main contributor to this change was an 8.3% reduction in rebound jump height. There was no linear relationship observed between visuomotor performance and DJ performance. Further investigation is required at variable frequency stroboscopic vision to determine visuomotor performance data as a predictor for in sport performance.

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