File:Nervous and mental diseases (1908) (14591258078).jpg

Identifier: nervousmentald00chu (find matches)
Title: Nervous and mental diseases
Year: 1908 (1900s)
Authors: Church, Archibald, b. 1861 Peterson, Frederick, 1859-1938
Subjects:
Publisher: Philadelphia : Saunders
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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ower has been overdrawn and even temporary debility pro-duced. Thus, an amount of masturbation or sexual indulgence insig-nificant in a sturdy individual, is sufficient in the defective neurotic toinduce a profound depression. CHAPTER III.THE MUSCULAR SYSTEM. Motility.—It is a rule with hardly an exception that nervousdisorders are marked by errors of motility. These vary from a conditionof slight general weakness, or paresis, to complete loss of muscularpower, or paralysis, from slight tremor to rigid contractions. Thecharacter and distribution of the muscular difficulty is often of the firstimportance in diagnosis and in localizing limited lesions. The station, attitude, and gait of the patient, depending as they dolargely on muscular force, control, and activity, often furnish mostimportant information. The contractu red, semiflexed position of theupper extremity and the rigid lower limb, swung en masse from thepelvis with dragging toe, mark the hemiplegic. The bowed and trotting
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Fig. 1.— Mathieus hand-dynamometer fitted with detachable handles gait of paralysis agitans ; the stamping and sprawling of tabes dorsalis ;the steppage or high knee-action with dangling feet that results frommultiple neuritis ; the spastic, rigid, and trembling legs of paraplegia;the dangle-leg of anterior poliomyelitis, and the cerebellar stagger telltheir own story. Minor peculiarities are no less, but rather more,important. The spinal rigidity and constant guarding against jars thatdominate the attitudes and gait of the subjects of spinal injuries ; thedistorted features of cranial-nerve palsies, athetoid movements, choreic 28 NERVOUS AND MENTAL DISEASES. twitchings, restlessness, slight limps, awkwardness, attitudes of limbs,trunk, or head long or customarily maintained, have one and all asignificance that can not be overestimated. Reduced Motility.—For testing muscular strength numerous re-cording instruments are available. In the hand-dynamometer ofMathieu we have a simplenervousmentald00chu

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