Identifier: diseasesofinfa00kopl (find matches)
Title: The diseases of infancy and childhood
Year: 1910 (1910s)
Authors: Koplik, Henry, 1858- (from old catalog)
Subjects: Children
Publisher: New York and Philadelphia, Lea & Febiger
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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arethose of the calves of the legs. These sometimes attain an enormoussize. Those of the anterior part of the leg are not so much enlarged.The flexors of the knee commonly escape. The glutei and lumbarmuscles are enlarged. The infraspinatus muscle is frequently enlarged, and stands outprominently; it is often mistaken for the lower edge of the scapula.The deltoid is often large; the serratus and the pectoralis are rarelyaffected. The triceps and biceps are frequently large, but often onlyin parts. The muscles of the forearm suffer only in a minority ofcases. The intrinsic muscles of the hand are never affected. Inthat respect the disease is sharply distinguished from atrophies ofspinal origin. The muscles of the neck are, with the exception ofthe clavicular portion of the sternomastoid, rarely affected. All themuscles affected are weakened, the smaller and atrophied musclesmore so than the others. There is reason to believe that many mus-cles not visible are much affected. PLATE XXXIX
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Pseudohypertrophic Paralysis in a Boy Eight Years of Age.Hypertrophy of the infraspinati well shown; also atrophy ofthe muscles of the thorax and hypertrophy of the glutei andthe muscles of the lower extremity. PSEUDOHYPERTROPHIC MUSCULAR PARALYSIS. HI?) Electrical Reaction,—This is altered when weakness sets in.The electrical contractility to galvanic and faradic stimulus finallydisappears. Reflexes.—The knee-jerk is at first normal. It later diminishesand finally disappears. It is never increased in a pure case. In onecase in my hospital service there were increased reflex at the kneeand foot-clonus. This case gave a history of a blow across the hack.Sachs, with whom I saw the case, suspected a complicating myelitisof the cord. Sensation,—Sensation is unaffected and the sphincters remainnormal. Course.—The course of the affection is prolonged and tedious.The disease is progressive. It may be ten or fourteen years beforethe patients succumb. They die of some intercurrent dise

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