Development and Validation of the Behavioral Avoidance Test - Back pain (BAT-Back) for Patients with Chronic Low Back Pain.

Objectives:Pain-related fear and avoidance of physical activities are central elements of the fear-avoidance model of musculoskeletal pain. Pain-related fear has typically been measured by self-report instruments. In this study, we developed and validated a Behavioral Avoidance Test (BAT) for chroni