Postural stability in football players with chronic ankle instability
Journal Title: Medycyna Sportowa - Year 2018, Vol 34, Issue 4
Abstract
Background. Football players are exposed to frequent supination injuries of the talocrural joint and repeated injuries lead to chronic ankle instability (CAI). Previous study results indicate that CAI do not significantly affect postural stability under static conditions, however, it is suspected that it may aggravate under dynamic conditions. Therefore, the goal of this study was analysis of postural stability under dynamic conditions with regard to dominance of the lower limb. Material and methods. The sample comprised 28 football players (age = 26.1±5.4), included in CAI group according to the Ankle Consortium inclusion criteria and 37 football players (age = 27.3±5.2) with no history of supination injuries, included in the control group (CTRL). Biodex Balance System platform was used for postural stability assessment during single leg standing under dynamic conditions. Results. During single leg standing statistically significant between-group differences were noted (p<0.05). The following values were obtained in CAI and CTRL groups respectively: CAI: (OSI 7.01±2.43; APSI 5.18±1.85), CTRL: (OSI 5.27±1.42; APSI 3.98±1.42). During single leg standing similar trends were observed. CAI group obtained statistically significant (p<0.05), higher values of the studied parameters. Lower limb function played an important role in CTRL group as for OSI (dom. 7.23±1.48; n-dom. 5.64±1.51) and MLSI (dom. 3.8±0.64; n-dom. 3.07±0.97) parameters. Conclusions. CAI impairs postural stability in footballers under dynamic conditions, both during single and double leg standing, however, the lower limb function significantly affects postural control only in CTRL group.<br/><br/>
Authors and Affiliations
Wojciech Stefaniak, Dawid Bączkowicz
Keywords
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