RT Book, Section A1 Liebano, Richard E. A2 Bellew, James W. A2 Nolan, Thomas P. SR Print(0) ID 1187662301 T1 Mechanisms of Pain and use of Therapeutic Modalities T2 Michlovitz’s Modalities for Therapeutic Intervention, 7e YR 2022 FD 2022 PB F. A. Davis Company PP New York, NY SN 9781719641999 LK fadavispt.mhmedical.com/content.aspx?aid=1187662301 RD 2024/10/07 AB Pain is the most prevalent symptom and most common complaint among patients seeking rehabilitation services. The International Association for the Study of Pain (IASP) defines pain as “an unpleasant sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage” (www.iasp-pain.org).1 Perception of pain is influenced by a variety of factors such as cultural differences, motivation, emotional states, and past experiences with pain.2 Although clinicians often treat patients with pain with the goal of reducing or eliminating pain, pain is an important protective sensation with significant biological meaning. In this manner, pain can serve as an indicator of pathology, physical stress, or injury. Therefore, when pain is present, treatment should not be simply aimed at eliminating the pain but rather eliminating the underlying cause of the pain.