Management algorithm for the application of the DBCDG. Reprinted with permission from: Murphy DR, Hurwitz EL. A theoretical model for the development of a diagnosis-based clinical decision guide for the management of patients with spinal pain. BMC Musculoskelet Disord 2007;8:75. ER = end range; NSAID = non-steroidal anti-inflammatory drugs; ESI = epidural steroid injection; mob = mobilization; CPH = central pain hypersensitivity.