Translation, validity, and reliability of the Foot Posture Index (FPI-6) - Turkish version.

PURPOSE:The aim of this study was to translate the English version of the Foot Posture Index (FPI-6) into Turkish and to examine its psychometric properties. METHODS:After the forward-backward translation process, the internal consistency and intra - and inter-rater reliability were evaluated by using Cronbach's α and Intraclass Correlation Coefficient (ICC 2,k95%RESULTS:The study was completed with 45 patients with foot/ankle problems. The internal consistency (Cronbach's α = 0.85; 0.78, respectively), intra-reliability (ICC 2,k2,kpCONCLUSIONS:It has been proven that the Turkish FPI-6 is valid and reliable and can be used by Turkish-speaking researchers and clinicians in patients with various foot-ankle problems.