Fig. 3From: GLA:D® Back group-based patient education integrated with exercises to support self-management of back pain - development, theories and scientific evidence -Key messages in GLA:D® Back. An overview of key messages from the GLA:D Back pain education material. (GLA:D® is a registered Trademark of the University of Southern Denmark: The name can only be used for an intervention if all criteria described by the University of Southern Denmark are met). Back to article page