Anatomical Knowledge Required for Laminoplasty

  • Yuichi Hoshino


In all four-legged animals, the extensors are dominant over the flexors in the neck in order to maintain the head in a horizontal position. In the human neck, the extensors are also dominant. A cross section of the human neck (Fig. 1) shows that 70% of the muscles present are posterior to the rotational axis of anteroposterior flexion movements.


Facet Joint Spinal Process Trapezius Muscle Venous Plexus Anatomical Knowledge 
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Copyright information

© Springer Japan 2003

Authors and Affiliations

  • Yuichi Hoshino
    • 1
  1. 1.Department of Orthopaedic SurgeryJichi Medical SchoolKawachi-gun, TochigiJapan

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