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  • Title: Quiet standing postural sway of 10- to 13-year-old, national-level, female acrobatic gymnasts.
    Author: Opala-Berdzik A, Głowacka M, Wilusz K, Kołacz P, Szydło K, Juras G.
    Journal: Acta Bioeng Biomech; 2018; 20(2):117-123. PubMed ID: 30220710.
    Abstract:
    PURPOSE: The aim of the study was to determine whether 10- to 13-year-old, national-level, female acrobatic gymnasts present a different quiet standing postural control (with and without visual cues) than untrained female peers. METHODS: The mean velocity of the center of pressure (in anterior-posterior and medial-lateral directions) was computed from 60-s long quiet-standing trials on a stationary force plate in fifteen 10- to 13-year-old female acrobatic gymnasts and thirteen sex- and age-matched non-athletes. A two-way repeated measures ANOVA (acrobatic gymnasts vs. non-athletes and eyes open vs. eyes closed) was used for the anterior-posterior and mediallateral COP mean velocity. The relation between subjects' body mass and COP mean velocity was tested with the used Spearman's Rank Correlation Coefficient. RESULTS: Postural sway (represented by COP mean velocity) was not significantly different between the acrobatic gymnasts and the non-athletes ( p > 0.05), except for the faster medial-lateral sway in eyes-open conditions in the acrobatic gymnasts ( p < 0.05). The gymnasts' body mass negatively correlated with their anterior-posterior sway velocity in both visual conditions (eyes open: r = -0.7; eyes closed: r = -0.6) and with medial-lateral sway velocity during eyes-closed trials (r = -0.5; p < 0.05). CONCLUSIONS: Results of the study indicate that in quiet standing postural control 10- to 13-year-old acrobatic gymnasts did not make use of their trained abilities. Heavier gymnasts might have been more stable than lighter ones during quiet standing.
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