Universite du Quebec a Trois-Rivieres 1 article published in JoVE Behavior Back Mechanical Sensitivity Assessment in the Rat for Mechanistic Investigation of Chronic Back Pain Hatef Khosravi1,2, Nasim Eskandari1,2, Benjamin Provencher1,2, Thierry Paquette1,2, Hugues Leblond1,2, Emad Khalilzadeh1,3, Mathieu Piché1,2 1Department of Anatomy, Université du Québec à Trois-Rivières, 2CogNAC Research Group, Université du Québec à Trois-Rivières, 3Division of Physiology, Department of Basic Sciences, Faculty of Veterinary Medicine, University of Tabriz To develop novel therapeutic interventions for the prevention and management of back pain, animal models are required to examine the mechanisms and effectiveness of these therapies from a translational perspective. The present protocol describes the BMS test, a standardized method to assess back mechanical sensitivity in the rat.