RT Book, Section A1 Reichman, Eric F. SR Print(0) ID 57711973 T1 Chapter 113. Trigger Point Injections T2 Emergency Medicine Procedures, 2e YR 2013 FD 2013 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-161352-1 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=57711973 RD 2023/06/05 AB Musculoskeletal pain is a significant health problem for the North American population.1–9 Such pain affects between 10% and 20% of the population and is a major cause of morbidity.1 It is estimated that approximately half of the chronic pain complaints result from a musculoskeletal origin.2 It is hypothesized that myofascial trigger point (MTrP) injections may alleviate much of this pain. It is imperative that the Emergency Physician perform a thorough history and physical examination, with an emphasis on the neurological and orthopedic examination to exclude other causes of musculoskeletal pain.3