Cross-cultural adaptation of the VISA-P questionnaire for Greek-speaking patients with patellar tendinopathy.

Objectives: To cross-culturally adapt the VISA-P questionnaire for Greek-speaking patients and evaluate its psychometric properties.

Background: The VISA-P was developed in the English language to evaluate patients with patellar tendinopathy. The validity and use of self-administered questionnaires in different language and cultural populations require a specific procedure in order to maintain their content validity.