Efectos de entrenamiento con feedback visual sobre el equilibrioEstudio de caso

  1. Alberto Pardo 1
  2. Israel Villarrasa Sapiña 1
  3. Isaac Estevan 1
  4. José Luis Bermejo 1
  5. Luis Millán González 1
  6. Xavier García Massó 1
  1. 1 Universidad de Valencia, España
Journal:
Revista Internacional de Deportes Colectivos

ISSN: 1989-841X

Year of publication: 2017

Issue: 31

Pages: 129-132

Type: Article

More publications in: Revista Internacional de Deportes Colectivos

Abstract

The main objective is to analyse the effect of external and concurrent visual feedback on learning and retention of a postural control task. A 31-year-old man, 1.78 m and 82 kg participated in the study. The subject performed 2 experimental sessions. In the first, he completed a total of 18 30-second repetitions in which he had to stand on an unstable platform (circular base of a radius of 465 mm) and keep the surface as horizontal as possible (work anterior-posterior direction). During the first 3 (pretest) and the last 3 (post test) repetitions the subject underwent the test while looking at a fixed point placed at eye level at 2 meters’ distance. The central repetitions (12 repetitions) served as training, and the subject performed the test while receiving visual feedback on a screen that constantly informed him about the displacement of his center of pressures (proportional to the inclination of the platform). In the second experimental session, performed 24 hours after the first, the subject performed 3 repetitions of the same test (without feedback) to check the learning retention. The center of pressure was registered through a platform Wii balance board (WiiFit, Nintendo). Visual feedback reduces displacement of the center of pressures during unstable surface training.

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