Through three outstanding editions, Travell, Simons & Donnelly’s Myofascial Pain and Dysfunction: The Trigger Point Manual has set the standard in the field of myofascial pain, dysfunction, and therapeutic modalities. In the 4th Edition, lead editor Joseph M. Donnelly brings this groundbreaking reference fully up to date with the latest research on trigger points. In a single, full-color text, both students and clinicians will benefit from an intuitive format, integrated learning aids, new digital resources, instructive photographs, and iconic pain referral pattern images.