Figure 1. Manipulative intervention used in developing and validating the spinal manipulation clinical prediction rule. See Appendix 2 and Appendix 3 video for details. Reprinted from reference 30: Childs JD, Fritz JM, Piva SR, Erhard RE. Clinical decision making in the identification of patients likely to benefit from spinal manipulation: a traditional versus an evidence-based approach. J Orthop Sports Phys Ther. 2003;33:259-75, with permission of the Orthopaedic and Sports Physical Therapy Sections of the American Physical Therapy Association.