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May 13, 1939

The Functions of Human Voluntary Muscles

JAMA. 1939;112(19):1993-1994. doi:10.1001/jama.1939.02800190107039

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Abstract

Dr. Royle developed a remarkable control of the individual muscles of his own body, thus acquiring a unique knowledge of the actions of certain muscles. This knowledge was the basis of a series of lectures in the department of anatomy at the University of Sydney, Australia, which in turn were the basis of this book. He discusses the movements of the vertebral column, jaws, shoulder girdle, upper limbs and lower limbs and emphasizes the importance of a knowledge of the formation as well as of the attachments and nerve supply of a muscle in determining appropriate treatment. Various methods of approach in ascertaining the formation of muscles, namely anatomic, pathologic, electrical and physiologic methods, are described, and the principal or prime mover, reverse action, fixation muscles and synergic action are discussed. At first thought this book seems elementary, but it is well worth the time of any physician and especially

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