An overview of chronic musculoskeletal pain: clinical categorization and assessment

Abstract

It is very important to study the mechanism of pain, since it is the main symptom in most pathologies. This article is studying the chronic pain which is defined as the pain that continues longer than the usual time of tissue healing and usually lasts for more than three months.Pathophysiology of biologicalpsychosocial mechanisms are the main reasons behind chronic pain. The perplexity of chronic pain has led to the development of many tools. The latter can be used for multiple reasons, from facilitating the diagnosis of chronic pain in clinical practice, while other tools enhance the psychosocial repercussions of the disease. In conclusion, the goal of this article is to identify the unknown characteristics of chronic pain and to list indicative tools for assessing chronic pain. keywords : Chronic pain, Central sensitization, Mechanism, Biopsychosocial model, Assessment