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November 21, 1953


Author Affiliations

123 8th Ave. Brooklyn, N. Y.

JAMA. 1953;153(12):1115. doi:10.1001/jama.1953.02940290047021

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To the Editor:—  I was interested by the article by Simon and Wright in The Journal, Sept. 12, 1953, page 98, describing a motorized treadmill for quantitating intermittent claudication. I developed this apparatus 10 years ago in the Peripheral Vascular Disease Clinic of the Maimonides Hospital, and it has been in use there since. While the treadmill has long been used in metabolic laboratories for the study of energy exchange, the development of a motorized treatmill in which the rate of walking could be controlled and used for determining walking capacity and quantitating intermittent claudication was new and original with my invention. A description of the apparatus and its use in the evaluation of peripheral arterial impairment is included in the second edition of "Peripheral Vascular Diseases: Diagnosis and Treatment" (Collens, W. S., and Wilensky, N. D.: Springfield, Ill., Charles C Thomas, 1953).It was at Dr. Wright's request that

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