Perception of stability correlates with objective performance of dynamic stability for people with chronic ankle instability

L. Forsyth, F. Pourkazemi, S. Al Adal, C. E. Hiller, C. R. Childs

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Abstract

Purpose: Lateral ankle sprains are one of the most prevalent musculoskeletal injuries, with one of the highest recurrence rates. One in five people develops chronic ankle instability (CAI) after a lateral ankle sprain. CAI is mainly described as a subjective phenomenon, but is associated with recurrent symptoms, reduced dynamic stability, and reduced physical activity and quality of life. Understanding the relationship between perception of stability and effect on performance for people with CAI could inform rehabilitative strategies in clinical practice. This study aimed to investigate the relationship between the perception of stability and objective performance of dynamic stability this population. Methods: This study is a sub-analysis of data from four separate studies in Australia and the United Kingdom. Participants were screened and categorised as a CAI, coper, or healthy participant. Each participant completed the Star Excursion Balance Test (SEBT) and Cumberland ankle instability tool (CAIT). Distances reached in the anterior, posterior-medial, and posterior-lateral directions, and average, of the SEBT were analysed. Results: Data from 95 participants with CAI, 45 copers, and 101 healthy participants was analysed. There was a significant moderate correlation between CAIT score and SEBT reach distance in all directions for the CAI group (p < 0.001). For copers, there was small significant correlation in the posterior-lateral direction (p < 0.05). Conclusion: This study highlights the discrepancies between the perception of stability and objective dynamic stability, and reinforces the importance of using both types of measures for continual assessment in practice to optimise selecting rehabilitative strategies.

Original languageEnglish
Number of pages7
JournalSport Sciences for Health
Early online date2 Nov 2021
DOIs
Publication statusE-pub ahead of print - 2 Nov 2021

Keywords

  • Star excursion balance test
  • Cumberland ankle instability tool
  • chronic ankle instability
  • ankle sprains
  • ankle instability
  • perception

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