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Related Experiment Videos

[Modified grant method protocol for dissecting and identifying the brachial plexus].

Takamitsu Arakawa1, Tomiyoshi Setsu, Toshio Terashima

  • 1Division of Anatomy and Developmental Neurobiology, Department of Neuroscience, Kobe University Graduate School of Medicine, 7-5-1 Kusunokicho, Chuoku, Kobe 650-0017, Japan.

Kaibogaku Zasshi. Journal of Anatomy
|April 23, 2004
PubMed
Summary

This study modifies the Grant method for brachial plexus dissection, prioritizing neck anatomy before upper limb dissection. This revised protocol aids medical students in identifying brachial plexus nerves and variations.

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Area of Science:

  • Anatomy
  • Medical Education

Context:

  • The brachial plexus is complex and presents numerous anatomical variations.
  • Medical students face challenges identifying individual nerves within the brachial plexus.
  • Existing dissection methods, like the Grant method, have limitations in demonstrating the full plexus structure.

Purpose:

  • To propose a modified anatomical dissection protocol for the brachial plexus.
  • To improve the identification of brachial plexus components (roots, trunks, cords, branches) for medical students and instructors.
  • To adapt the Grant method for better anatomical understanding.

Summary:

  • A modified Grant method is presented, involving dissection of the neck region before the upper limb.
  • This approach allows for identification of nerve trunks in the scalenus gap after dissecting the lateral, medial, and posterior cords.

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  • The protocol facilitates understanding of the brachial plexus's origins and branching patterns.

    • Impact:

    • Enhances medical students' ability to identify brachial plexus nerves and their variations.
    • Provides a more logical and effective sequence for anatomical dissection of the brachial plexus.
    • Offers an adaptable protocol for various brachial plexus dissection courses.