June 24, 1916


JAMA. 1916;LXVI(26):2070-2072. doi:10.1001/jama.1916.02580520026011

Special vocations have long been associated with the occurrence of forms of disease directly attributable to the occupations involved. With the changes in the modes of life or kinds of work which they require and with the evolutions of new branches of industry and new forms of activity, the incidence and character of occupational diseases likewise may change. New conditions of employment and unusual demands on the physiologic mechanism may create unique dangers, increased bodily strains or unexpected risks. The professional neuroses have long been recognized under a variety of more popular names, such as writer's cramp, violinist's wrist, milker's cramp, tennis elbow, baseball pitcher's glass arm and dancer's cramp. These consist for the most part of tonic contractions, with or without pain, intermingled at times with clonic shocks or tremors. Practically every occupation has its neurosis. Another group of occupational maladies is represented in miner's disease, in painter's colic,

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