The relationship between emphysema and the sternocleidomastoid muscle size studied with voluntarily donated cadavers

DOI
  • Yamada Kiyo
    Department of Anatomy and Embryology,Ehime University School of Medicine Department of Physical Therapy,Ehime Juzen School of Allied Medical Professions
  • Miyazaki Tatsuhiko
    Department of Pathogenomics,Ehime University School of Medicine
  • Terada Miho
    Department of Pathogenomics,Ehime University School of Medicine
  • Kobayashi Naoto
    Medical Education Center,Ehime University School of Medicine
  • Matsuda Seiji
    Department of Anatomy and Embryology,Ehime University School of Medicine

Bibliographic Information

Other Title
  • 肺の気腫性変化と胸鎖乳突筋の断面積の関係
  • ―篤志献体による解剖体を用いた研究―

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Abstract

Activity of the sternocleidomastoid muscle, as one of the accessory inspiratory muscles, becomes remarkable when pulmonary diseases patients need muscular support for respiration in addition to the diaphragm. The present study inspected the relationship between the stages of emphysema and the size of sternocleidomastoid muscles with 42 voluntarily donated cadavers (average age 85.0 years). Severity of emphysema was evaluated by observation under a microscope, and by measurement of the long axis of pulmonary alveoli. The ratio of sectional areas of the sternocleidomastoid muscles to that of biceps brachii muscles was calculated, and was compared with the severity of emphysema for each cadaver. Among the female group with pulmonary diseases as the cause of death, the severity of emphysema showed a significant correlation to the sectional area ratio of sternocleidomastoid vs. biceps brachii muscles. This correlation was more obvious in women compared to men. This data suggests that the severity of emphysema can be predicted by observing the sternocleidomastoid muscles on the patients' body surface.

Journal

  • Structure and Function

    Structure and Function 11 (1), 17-23, 2012

    Co-medical Research Society of Structure and Function

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