Effectiveness of back school versus McKenzie exercises in patients with chronic nonspecific low back pain: a randomized controlled trial.

Background: Back School and McKenzie methods are popular active treatment approaches that include both exercises and information for patients with chronic nonspecific low back pain.

Objective: The purpose of this study was to compare the effectiveness of Back School and McKenzie methods in patients with chronic nonspecific low back pain.

Design: The study was a prospectively registered, 2-arm randomized controlled trial with a blinded assessor.