Translation, Cross-cultural Adaptation, and Validation of the FPI-6 in Spain

The objective of this study is to translate, cross-culturally adapt, and validate the Spanish version of the Foot Posture Index (FPI-6). This clinical tool is widely used to evaluate standing foot posture through six visual criteria. The study aims to provide Spanish-speaking clinicians and researchers with a reliable and valid instrument to assess foot posture in the Spanish population, ensuring that the psychometric properties of the original scale are preserved

NCT Number	NCT07590297
Lead Sponsor	Paloma López Ros
Conditions	Foot Deformities, Flatfoot
Enrollment	100 participants
Start Date	2026-05-16
Primary Completion	2028-05 (estimated)
Study Completion	2028-05 (estimated)
Updated on ClinicalTrials.gov	2026-05-15