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

André Kenzo Saito, Martina Navarro, Marcelo Faria Silva, Eduardo Kenzo Arie, Maria Stella Peccin

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Abstract

Objective - 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.

Conclusion- 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.
Translated title of the contributionOscillation of plantar pressure center in athletes and non‐athletes with and without ankle sprains
Original languagePortuguese
Pages (from-to)437-443
Number of pages7
JournalRevista Brasileira de Ortopedia
Volume51
Issue number4
Early online date21 Jan 2016
DOIs
Publication statusPublished - 1 Jul 2016
Externally publishedYes

Keywords

  • ankle injuries
  • foot
  • pressure
  • postural balance

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