RT Book, Section A1 Yeung, Brent A1 Mueller, Joseph A2 Freeman, Brian S. A2 Berger, Jeffrey S. SR Print(0) ID 1135738603 T1 Peripheral Nerve Blocks: Trunk and Perineum T2 Anesthesiology Core Review: Part Two Advanced Exam YR 2016 FD 2016 PB McGraw-Hill Education PP New York, NY SN 9781259641770 LK accessanesthesiology.mhmedical.com/content.aspx?aid=1135738603 RD 2024/10/04 AB The peripheral nerves which innervate the chest and abdominal wall originate from the thoracic and lumbar plexuses. Regional anesthesia of the trunk focuses on the blockage of pain impulses from these areas to their corresponding location within the spinal cord.