The foot and ankle are common sources of pain and disability, with approximately 2 million people in the United States per year affected by foot pain. As many as 25% of sports injuries have been attributed to the foot or ankle, with ankle sprains accounting for up to 45% of all injuries in some sports. The Foot and Ankle Disability Index (FADI) were designed to assess functional limitations related to foot and ankle conditions. Therefore, it is used to assess the patients with chronic ankle instability. The FADI was originally developed in English. It has been translated and validated in Italian languages and showed excellent reliability and responsiveness. To cross culturally validate the FADI in Urdu, the FADI will be translated in Urdu to assess the chronic ankle instability patients to check the instability. Convenience sampling technique will be used in this study. A study will be conducted at Pakistan Sports Board Lahore including 10 athletes for 1st stage and 50 Athelets in 2nd stage. The aim of this study is to translate FADI in Urdu and to find out the validity and reliability of Urdu version of FADI in patients with chronic ankle instability. Reliability and validity of FADI in Urdu version will be evaluated by calculating Cronbach's alpha, intra-class correlation co-efficient and Pearson/ spearman rank correlation co-efficient. SPSS 25 will be used for data analysis.
The goal of this Cross-cultural validation study is to Urdu translate and cross-cultural validation of Foot and Ankle Disability Index for the Patients with Chronic Ankle Instability. The main question it aims to answer is:~• To Translate Foot and Ankle Disability Index in Urdu and to find out the Validity and Reliability for Patients with Chronic Ankle Instability.~Data collection procedure would be, FADI Urdu version will be introduced and the patients will be asked to fill FADI Urdu version. The questionnaire will be filled again by the same participants after one week to assess the test retest reliability. Questionnaire will be conducted to have the best result. After the ethical approval, participants who meet the inclusion criteria and who are free from exclusion criteria will explained about the objectives of this study. Only those who give consent will be included in the study.