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Abstract Details

Abstract Title

Oscillation of plantar pressure center in athletes and non-athletes with and without ankle sprains

Abstract Theme

Sport medicine and injury prevention

Type Presentation

Poster

Abstract Authors

Presenter André Kenzo Saito - Fundação Pró-Esporte de Santos (FUPES) (Physical Therapy) - BR
Martina Navarro - Federal University of São Paulo (Ophtalmology) - BR
Marcelo Faria Silva - Centro Universitário Metodista (Physical Therapy) - BR
Eduardo Kenzo Arie - Santa Casa da Misericórdia de Santos (Orthopedic Surgery) - BR
Maria Stella Peccin - Federal University of São Paulo (Human Movement Science) - BR

Presentation Details

Poster Exhibition Site (Local): Black - 9        Date: 1 September        Time: 8am to 7pm        Presenter: André Saito

Abstract Resume

Background: To assess whether there is any difference in the oscillation of the plantar pressure center in single-leg stance between athletes and non-athletes with and without ankle
sprains.

Methods: 54 volunteers performed four static assessments and one dynamic assessment while standing on one foot on a baropodometer, barefoot, for 10 seconds in each test. The variables
of area (cm2), distance (cm), anteroposterior oscillation (cm), mediolateral oscillation (cm) and mean velocity (cm/s) were analyzed. The items “other symptoms” and “sports and recreation” of the
subjective Foot and Ankle Outcome Score (FAOS) questionnaire were applied. For the statistical analysis, repeated-measurement ANOVA (ANOVA-MR), multivariate ANOVA (MANOVA), Tukey’s post-hoc test and
partial eta squared were used.

Results: ANOVA-MR revealed differences regarding distance, with major effects for eyes (p < 0.001), knees (p < 0.001), group (p < 0.05) and the interaction between eyes and knees (p <
0.05); and regarding mean velocity with major effects for eyes (p < 0.001), knees (p < 0.001) (p < 0.05), group (p < 0.05) and the interaction between eyes and knees (p < 0.05). MANOVA revealed main
group effects for distance (p < 0.05), anteroposterior oscillation (p < 0.05) and mean velocity (p < 0.05). In the FAOS questionnaire, there were no differences: “other symptoms”, p > 0.05; and “sport
and recreation”, p > 0.05.

Conclusions: Athletes present higher mean velocity of oscillation of plantar pressure center and generally do not have differences in oscillation amplitude in the sagittal and coronal
planes, in comparison with non-athletes.

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