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Abstract Details

Abstract Title

STATIC BALANCE CHANGES AMONG ATHLETES WITH VISUAL IMPAIRMENT AND ATHLETES-GUIDES IN PARALYMPIC TRACK AND FIELD

Abstract Theme

Elite performance

Type Presentation

Poster

Abstract Authors

Presenter Lais Mendes Roversi - Federal University of São Paulo (Programa de Pós-Graduação Interdisciplinar em Saúde) - BR
Walkiria Gomes de Moares - Federal University of São Paulo (Programa de Pós-Graduação Interdisciplinar em Saúde) - BR
Ciro Winckler - Federal University of São Paulo (Professor do Curso de Educação Física) - BR

Presentation Details

Poster Exhibition Site (Local): White - 9        Date: 3 September        Time: 8am to 7pm        Presenter: Lais Roversi

Abstract Resume

Background:
Paralympic Track and Field, differently from its conventional form, uses adaptations so that the objectives of each game can be achieved. This study focused on classes 11-13 of paralympic track and
field, which include visual impairment (VI). The class 11 is the only one which compulsorily makes use of a guide, class 12 may or may not make use of one and class 13 does not make use of one. VI is
characterized by parcial or complete loss of vision. Balance (BA) is defined as a combination of muscular actions with the purpose of supporting the body on a base and against gravity. BA is composed
of three systems, being that the visual system is the one which mostly interferes in its maintenance, so that the BA of an athlete with VI tends to be more fragile than that of a person with regular
vision. The objective os this study were to compare the static body balance among athletes with VI, among guides and intergroups.


Methods:
The volunteers were athletes of paralympic track and field, in the modalities of speed, from classes 11-13 along with their guides. Twenty-three evaluations were selected, 15 of them being from
different athletes with VI and 8 from different guides. The evaluation protocol was the Postural Stability test, in which the subject stands on a scale trying to keep still as much as possible,
through two attempts of 20 seconds with each foot, as well as with both feet. The selected statistic tests were: descriptive statistics, average of the variables, bivariate correlation and Wilcoxon’s
nonparametric test. The software that was used for statistical analysis was SPSS 15.0 (SPSS, INC).

Results:
The intergroup variable that presented significant difference was the anterior-posterior score (p<0,05). The other variables did not show significant difference. In the quadrants (Q) 1 and 3, the
guides achieved higher scores than the athletes with VI, while in Q2 and Q4 the athletes’ scores were higher. In the Q4 score, athletes showed significant difference when compared to
anterior-posterior, overall score and left scores of the guides. The Q3 score of the athletes with VI obtained a significant correlation with the Q2 score of the guides. In the intragroup variables,
the relation between Q1-Q2 of the athletes with VI was significant.

Conclusions:
It is possible to conclude that however small the deficit in balance might be in athletes with VI, guides will suffer an interference in their own balance, which in turn may lead to changes in the
sports practice, such as in trainings and competitions.

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