• Stéphanie Volders, Yannick Boddez, Steven De Peuter, Ann Meulders, and Johan W S Vlaeyen.
• Research Group Health Psychology, University of Leuven, Belgium. Electronic address: stephanievolders@hotmail.com.
• Behav Res Ther. 2015 Jan 1; 64: 31-7.

AbstractIn chronic musculoskeletal pain, avoidance behavior is a prominent behavioral characteristic that can manifest itself in various ways. It is also considered a crucial component in the development and maintenance of chronic pain-related disability, supposedly fueled by pain-related fear and catastrophic beliefs. Despite the frequent occurrence of avoidance behavior and its potential impact on quality of life, relatively little research has been dedicated to the nature of avoidance in chronic pain and its assessment, leaving its underlying mechanisms poorly understood. In the current paper, we stipulate some of the existing parallels between chronic pain research and more basic fear and anxiety research inspired by modern learning theories. After a brief introduction, we discuss avoidance theories that are likely apt to be applied to chronic pain, including avoidance as a response that can affect fear responding, and the role of avoidant decision making and motivational context. Finally, we will outline how these theories may impact clinical treatment. Copyright © 2014 Elsevier Ltd. All rights reserved.

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