Licence: Public Domain Mark
Credit: On deformities of the chest / by William Coulson. Source: Wellcome Collection.
Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.
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![irritate the skin,inflame it, and produce abscesses, or at least scars. This is a very narrow view of the influence of con- tinued pressure. It would do much more than this: it would destroy the power of the voluntary muscles, and render probably the disease irremediable, by the destruction of one of the best means of cure. If phy- siology teaches not this, it teaches nothing. The pressure, he continues, which I recom- mend, has none of these disadvantages. [But how does mechanical pressure differ from the temporary application of a machine?] It consists, after the child has been placed sideways, in placing the hand or knee against his back, or still better, his back against the wall, and placing the palm of the other hand upon the most projecting part of the sternum, and in pressing or pushing the anterior part of the chest towards the posterior part, by alternate movements, which, after some days' practice, accord so well with the movements of respiration, that the little patients, and those who](https://iiif.wellcomecollection.org/image/b21047674_0033.jp2/full/800%2C/0/default.jpg)
