French translation and validation of the Cumberland Ankle Instability Tool, an instrument for measuring functional ankle instability

Ankle sprains are one of the most common musculoskeletal injuries, and can lead to chronic ankle instability (CAI). The Cumberland Ankle Instability Tool (CAIT) measures a subset of CAI, functional ankle instability (FAI). Because no French version existed, we set out to translate and validate the CAIT in French. The CAIT was translated using a forward-backward methodology. We examined its psychometric properties and calculated a cut-off score...