Identifier: internalmedicine02wils
Title: Internal medicine; a work for the practicing physician on diagnosis and treatment, with a complete Desk index
Year: 1920 (1920s)
Authors: Wilson, J. C. (James Cornelius), 1847-1934 Potter, Nathaniel Bowditch, 1869-1919
Subjects: Medicine Diagnosis
Publisher: Philadelphia, London, J. B. Lippincott Company
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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uehenne type.Other forms appear, as, for instance, early wasting of the deltoids, supra-and infraspinati, and biceps—the upper arm type. In some rather rareor advanced cases the muscles of the lower limbs are involved. The neckand trunk muscles may also waste. Various deformities occur, such as theclaw hand, or main en griffe, in which the proximal phalanges are over-extended and the distal phalanges are flexed; and the so-called monkeyhand, or Affenhand of the Germans, the main de singe of the French,which is caused by overaction of the long extensor of the thumb, causingthe metacarpal bone to be displaced backw^ard and to lie in the same planeas the metacarpal bones of the fingers. In the lower limbs various formsof club-foot result. As the wasting progresses, loss of power occurs, untilin advanced cases the wasted arms hang powerless at the sides. In the 1 R. T. Williamson: Amyotrophic Lateral Sclerosis and Progressive Muscular Atrophy, EdinburghMed. Journal, April, 1917, p. SOI.
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Fig. 390a.—Progressive muscular atrophy.—Atlas of Clinical Medicine (Dr. B>Tom Bramwell). By courtesy of the author.

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