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. 2014 Aug;9(4):436-46.

Effects of Postural Control Manipulation on Visuomotor Training Performance: Comparative Data in Healthy Athletes

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Free PMC article

Effects of Postural Control Manipulation on Visuomotor Training Performance: Comparative Data in Healthy Athletes

Kathryn Bigsby et al. Int J Sports Phys Ther. .
Free PMC article

Abstract

Purpose/background: Visuomotor ability is an important parameter for neurologic function and effective sport performance. Adding a balance challenge during a structured eye-hand coordination task, such as hitting lights on a light board (Dynavision™), has not been previously reported. Using Division I football players, the aim of this study was to determine normative data on a dual-task performance regimen combining a visuomotor light board task with a balance task. The intent is to use such normative data and baseline data as part of a concussion management program.

Methods: Division I college football team members, n=105, were consented. Subjects first performed Dynavision™ D2™ Visuomotor Training Device (D2™) eye-hand coordination tasks, the A* and the RT; they then performed the same tasks with an added balance challenge, standing on a BOSU® ball.

Results: Ninety-four athletes completed the full testing procedure on the D2™ system. The mean score of the A* test was 93 ± 11.0 hits per minute; and the mean on the A* test with the added BOSU® balance challenge was 83.7 ± 9.2 hits per minute. The mean RT time was 0.33 ± 0.036 seconds. Mean reaction time increased to 0.38 ± 0.063 while the subject stood on the BOSU® ball. Performance on the D2™ A* and RT were both statistically significantly different in the dual task condition (p<0.05).

Conclusions: Results show an approximate 10% decline in D2™ performance when healthy individuals stand on a BOSU® ball. From the data presented here, the authors determined that there is a 10% decrement in performance when one's balance is challenged on the BOSU® ball. A fall in performance of substantially greater than 10% may indicate abnormal vestibulocerebellar regulatory processing of balance and motion. Further research, using these normative data is needed to determine more specific parameters for definitions of impairment and return-to-play and if there is utility for such studies as part of a concussion management program.

Level of evidence: III.

Keywords: Balance; Dynavision™; concussion; postural control; vestibular.

Figures

Figure 1.
Figure 1.
Individual performing the A* test on the D2™ system.
Figure 2.
Figure 2.
Individual performing the A* test during the balance challenged condition, standing on a BOSU®.

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