Development of the Italian version of the Neck Pain and Disability Scale, NPDS-I: cross-cultural adaptation, reliability, and validity.

Study Design: Evaluation of the psychometric properties of the Neck Pain and Disability Scale (NPDS).

Objective: Translating, culturally adapting, and validating the Italian version of the NPDS-I.

Summary Of Background Data: Great importance is devoted to validated and comprehensive outcome measures to improve interventions for neck pain.