ndi pdf
The Neck Disability Index (NDI) is a widely used questionnaire designed to assess the impact of neck pain on daily activities and functional abilities․ Developed by Vernon and Mior in 1991, it serves as a critical tool for clinicians to evaluate the severity of neck-related disabilities․ The NDI consists of 10 sections, addressing pain intensity, personal care, lifting, reading, headaches, concentration, work, driving, sleeping, and recreation․ Each section is scored on a 5-point scale, allowing for a comprehensive measurement of disability levels․ This index is invaluable