The medial branch of the lateral branch of the posterior ramus of the spinal nerve.

Surgical and Radiologic Anatomy : SRA
Toshiyuki SaitoH Steinke

Abstract

In the needle insertion of epidural anesthesia with the paramedian approach, the needle can pass through the longissimus muscle in the dorsum of the patients. When the needle touches a nerve in the muscles, the patients may experience pain in the back. Obviously, the needle should avoid the nerve tract. To provide better anesthetic service, analysis of the structure and where the concerned nerves lie in that region is inevitable. We studied five cadavers in this study. Two cadavers were fixed with Thiel's method. With these cadavers, we studied the nerve running of the posterior rami of the spinal nerve from the nerve root to the distal portion. Three of them were used for the study of transparent specimen, with which we studied the course and size of the nerve inside the longissimus muscle. We observed there were three branches at the stem of the posterior rami of the spinal nerves between the body segment T3 and L5, i.e. medial branch, medial branch of the lateral branch and lateral branch of the lateral branch. The medial branch of the lateral branch supplied to the longissimus muscle. With the transparent specimen, we found that there were different nerve layouts between the upper thoracic, lower thoracic, upper lumbar, and...Continue Reading

References

Jun 1, 1978·Acta Physiologica Scandinavica·H Carlson
Feb 24, 2001·Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft·H Steinke, W Wolff
Mar 6, 2002·Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists·A BoelderlH Maurer

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Citations

Feb 19, 2013·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Zhi-Jun HuShun-Wu Fan
Oct 20, 2010·Clinical Neurology and Neurosurgery·Jaypal Reddy SangalaThomas B Freeman
Jul 3, 2009·Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft·Hanno SteinkeKatharina Spanel-Borowski
Oct 29, 2015·Acupuncture in Medicine : Journal of the British Medical Acupuncture Society·Kanae UmemotoTakashi Nakano
Jun 12, 2016·Pain Medicine : the Official Journal of the American Academy of Pain Medicine·G C FeiglR Likar
Oct 21, 2016·Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists·Hayelom K MekonenWouter H Lamers
Mar 14, 2020·Current Urology Reports·Lidia ColomaFrancisco Clascá
May 24, 2019·Surgical and Radiologic Anatomy : SRA·Toshiyuki SaitoMasahiro Itoh
Jan 1, 2021·The Bone & Joint Journal·Marcus Kin Long LaiJason Pui Yin Cheung

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