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Related Experiment Videos

[The spinal accessory nerve (n. accessorius) I: anatomical study]

J Aboujaoude1, J Y Alnot, C Oberlin

  • 1Département du Membre Supérieur, Hôpital Bichat, Paris.

Revue De Chirurgie Orthopedique Et Reparatrice De L'Appareil Moteur
|January 1, 1994
PubMed
Summary
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This study details the spinal accessory nerve

Area of Science:

  • Anatomy
  • Neuroscience

Context:

  • The spinal accessory nerve's role in innervating the trapezius muscle is crucial for neck and shoulder movement.
  • Understanding its anatomical course and connections is vital for clinical applications.

Purpose:

  • To investigate the anatomical details of the spinal accessory nerve, including its path, branches, and connections with the cervical plexus.
  • To clarify the innervation of the trapezius muscle by the accessory nerve.

Summary:

  • Anatomical dissections revealed the spinal accessory nerve primarily innervates the superior and middle trapezius sections.
  • Significant contributions from the cervical plexus were observed through nerve anastomosis and direct connections, particularly in the distal nerve portions.

Impact:

Related Experiment Videos

  • Enhances understanding of the spinal accessory nerve's anatomy and its relationship with surrounding neck structures.
  • Provides crucial insights for improved clinical diagnosis and surgical interventions related to nerve repair.