Turkish Adaptation Study of the Generic Functional Index

The Generic Functional Index is a scale developed to assess the general functional status of individuals. This study aims to evaluate the validity and reliability of the Turkish version of the Generic Functional Index. The adaptation process was designed to follow a standardized translation protocol, including forward translation, expert committee review, back-translation, pilot testing, and psychometric analyses. Data will be collected from individuals with musculoskeletal problems. Psychometric testing will include test-retest reliability, internal consistency, and construct validity analyses. The main hypotheses of this study are as follows: 1. The Turkish version of the Generic Functional Index will demonstrate high test-retest reliability when administered to individuals with musculoskeletal disorders. 2. The scores of the Turkish version of the Generic Functional Index will show a significant positive correlation with the scores of the Functional Independence Measure in individuals with musculoskeletal disorders.

Inclusion Criteria: * Being 18 years of age or older, * Turkish literacy, * Cognitive competence, * Having a musculoskeletal disorder Exclusion Criteria: * Those with acute functional impairment * Those with cognitive impairment, or * Those with a mental or physical condition that would prevent them from understanding the scale.