. Weekly medical review. utrition whichlasts for some time after the tension upon the spinalcolumn has been removed. He also draws attention to the fact that an inciden-tal element in the improvement of nutrition is a lessen-ing of resistance to the venous flow. These comprise most of the theories so far advanced,but the object of this paper is to discuss the process ofproducing extension, rather than its physiological ef-fects; The employment of traction in affections of the spineis not of recent origin, horizontal couches, providedwith means for stretching the spinal column, havingbeen in vo


. Weekly medical review. utrition whichlasts for some time after the tension upon the spinalcolumn has been removed. He also draws attention to the fact that an inciden-tal element in the improvement of nutrition is a lessen-ing of resistance to the venous flow. These comprise most of the theories so far advanced,but the object of this paper is to discuss the process ofproducing extension, rather than its physiological ef-fects; The employment of traction in affections of the spineis not of recent origin, horizontal couches, providedwith means for stretching the spinal column, havingbeen in vogue long anterior to the use of suspension,but the comparatively recent re-introduction of the lat-ter principle has given it a new impetus, and traction in a straight line is now not only generally advised inthe treatment of deformative conditions and diseases ofthe column, but also for the mechanical treatment ofdiseased conditions of the spinal cord itself. Tractionupon a curved line, however, possesses so many advan-. Fig. 1. Stillmans Upright Spinal Extension Frame—asoriginally constructed. tages over this that I am constrained to advocate itstrenuously. Several years ago, while reading a paper upon Lat-eral Curvature, before the Orthopaedic Section of theNew York Academy of Medicine,7 I called attention tothe employment of the curved board in connection withsuspension as a curative measure in that deformity.


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmedicine, bookyear189