. Railway and other accidents with relation to injury and disease of the nervous system : a book for court use . r some time in an ironinstrument were sufficient to develop a spasm and condition ofvarus. This disappeared, but reappeared with hysterical hemi-plegia after an interval of many years. In this connection attention may be called to the factthat in hysterical subjects the injudicious use of retentionapparatus or unnecessary braces may not only perpetuatecontracture, which would get well if let alone, but willactually induce such conditions where some simple blowhas been received. With
. Railway and other accidents with relation to injury and disease of the nervous system : a book for court use . r some time in an ironinstrument were sufficient to develop a spasm and condition ofvarus. This disappeared, but reappeared with hysterical hemi-plegia after an interval of many years. In this connection attention may be called to the factthat in hysterical subjects the injudicious use of retentionapparatus or unnecessary braces may not only perpetuatecontracture, which would get well if let alone, but willactually induce such conditions where some simple blowhas been received. With both hemiplegia and paraplegiathere are apt to be contractures of a spasmodic nature,w4iich must not be confounded with that before men-tioned under the head of paralysis. The appearance ofthe extremities is that just described, and there may beassociated with it an obstinate contraction of the musclesof one side of the trunk (Plate I.). When the trapezius,and those muscles at of the neck are in spasm,there will be added a forcible retraction of the head. IvAlLWAV AND (VrilICK ACCFDICNTS. PLATE Contraction of Trunk, the Result of a Fixed Idea. (Modified fromRaymond-Janet.) 56 RA/LIVAV OTHER ACCIDEXTS. condition hardly comes under the term myotonia acqicis-ita, which it resembles very much, for it is evidently agrave psychopathic state marked by a persistent volitionalloss. Chronic spasms and tremor are common in allkinds of hysteria, and the various tics, choreiform move-ments, tremors and shiverings may be local or more orless irregular, in this respect resembling the paralyses andcontractures. A paralyzed or contracted extremity may be the seatof spasm, in some respects like a hemichorea of organicorigin, but its real nature may often be determinedby the trial of suggestion. Whole groups of musclesare perhaps involved in tremor, or separate muscularbundles may as a result of trauma become the seat oftwitchings or lively spasms, and even the involuntarymuscl
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