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Foot typology, body weight distribution, and postural stability of adolescent elite soccer players: A 3-year longitudinal study

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  • Jitka Marencakova
  • Tomas Maly
  • Dai Sugimoto
  • Tomas Gryc
  • Frantisek Zahalka

Abstract

Objective: The unique foot morphology and distinctive functions facilitate complex tasks and strategies such as standing, walking, and running. In those weight-bearing activities, postural stability (PS) plays an important role. Correlations among foot type, PS, and other musculoskeletal problems that increase sport injury risk are known. However, long-term associations among the foot type, the PS, and body weight (BW) distribution are lacking. Thus, the purpose of this study was to longitudinally identify changes in foot morphology, PS, and symmetry in BW distribution during adolescence among elite male soccer players. Methods: Thirty-five Czech elite male soccer players (age, 15.49 ± 0.61 years; BW, 64.11 ± 6.16 kg; body height, 174.62 ± 5.71 cm) underwent foot type, PS, and BW distribution measurements during 3 consecutive years (T1, T2, T3). The Chippaux-Smirak index (CSI), BW distribution, and centre of pressure (COP) displacement (total traveled way [TTW]) of each player for the preferred (PL) and non-preferred leg (NL) were acquired. Repeated-measures analysis of variance (RM ANOVA), Bonferroni´s post hoc tests, and partial eta-squared (ηp2) coefficient were used for investigating the effect of time on selected variables and effect size evaluation. Results: Statistically significant effect of time on CSI values (PL: F2,68 = 5.08, p

Suggested Citation

  • Jitka Marencakova & Tomas Maly & Dai Sugimoto & Tomas Gryc & Frantisek Zahalka, 2018. "Foot typology, body weight distribution, and postural stability of adolescent elite soccer players: A 3-year longitudinal study," PLOS ONE, Public Library of Science, vol. 13(9), pages 1-12, September.
    • Handle: RePEc:plo:pone00:0204578
    DOI: 10.1371/journal.pone.0204578
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