Deep Branch of the Radial Nerve Entrapment

  • Richard E. SeroussiEmail author
  • Virtaj Singh
  • Helen W. Karl


Entrapment of the deep branch of the radial nerve (DBRN) leads to one of two distinct clinical syndromes. Posterior interosseous nerve syndrome (PINS) is a well-defined, rare, and fairly painless nerve palsy involving some of the wrist extensors and all of the finger extensors. By contrast, radial tunnel syndrome (RTS) is a painful repetitive stress type of injury without “hard” neurologic symptoms. Most of the focus of this chapter will be on RTS, a more commonly diagnosed but more controversial disorder in musculoskeletal practice.


Radial nerve entrapment Posterior interosseous syndrome Radial tunnel syndrome Supinator syndrome 

Supplementary material

Video 35.1

Physical exam of the radial nerve at the elbow (MOV 37274 kb)

Video 35.2

Landmark-guided injection of the radial nerve at the elbow (MOV 38763 kb)


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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  • Richard E. Seroussi
    • 1
    • 2
    Email author
  • Virtaj Singh
    • 3
  • Helen W. Karl
    • 4
  1. 1.Seattle Spine and Sports MedicineSeattleUSA
  2. 2.Department of Rehabilitation Medicine, Courtesy Clinical FacultyUniversity of WashingtonSeattleUSA
  3. 3.Clinical Faculty, Department of Rehabilitation MedicineUniversity of Washington, Seattle Spine and Sports MedicineSeattleUSA
  4. 4.Department of Anesthesiology and Pain MedicineUniversity of Washington, Seattle Children’s HospitalSeattleUSA

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