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

Forsyth, L. and Pourkazemi, F. and Al Adal, S. and Hiller, C. E. and Childs, C. R. (2021) Perception of stability correlates with objective performance of dynamic stability for people with chronic ankle instability. Sport Sciences for Health. ISSN 1825-1234

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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.

    ORCID iDs

    Forsyth, L. ORCID logoORCID: https://orcid.org/0000-0002-9520-8984, Pourkazemi, F., Al Adal, S., Hiller, C. E. and Childs, C. R. ORCID logoORCID: https://orcid.org/0000-0003-1318-0007;