File:Rational hydrotherapy - a manual of the physiological and therapeutic effects of hydriatic procedures, and the technique of their application in the treatment of disease (1902) (14760523636).jpg

Identifier: rationalhydrothe00kell (find matches)
Title: Rational hydrotherapy : a manual of the physiological and therapeutic effects of hydriatic procedures, and the technique of their application in the treatment of disease
Year: 1902 (1900s)
Authors: Kellogg, John Harvey, 1852-1943
Subjects: Hydrotherapy Hydrotherapy
Publisher: Philadelphia, : F.A. Davis Co.
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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e surface, especially ofthe upper portion of the body. Experiment 53.— Showing the effects of perctission in increasingthe intensity of the reaction from cold. (a) The subject, W. P. L., was a young man aged 21, weight140 lbs. The initial surface temperature obtained by placing asurface thermometer at a point near the umbilicus was 97.6°. Apercussion douche was administered at 55°, duration forty sec-onds. Immediately after the application, the surface temperature,determined at the same point, was 94.6°. The initial tempera-ture was reached at the end of fourteen minutes. (See alsoexperiment 36.) (<^) The subject, A. G. F., was a young man aged 23, weight132 lbs. The cold compress and the percussion douche were simul-taneously given at 65° for five seconds, to opposite and corre-sponding parts. After the cold compress, the time required forreaction was forty seconds, whereas after the percussion douchewith pressure at 30 lbs., the circulatory reaction appeared in fiveseconds.
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SUMMARY OF EXPERIMENTAL WORK. 112/ Experiment 54.— Showing tJic effect of cold applications upon themuscular response to electrical currents i^page 438). The amount of work done before and after the application wasmeasured by Mossos ergograph (see Fig. 255, page 1123), in whicha spring resistance was substituted for the weights (this modifica-tion was suggested by Dr. E. Otis). The results obtained areshown in Figs. 261, 262, and 263. Fig. 261 shows the normalcurve. The amount of work done was 1.312 kgm. After adouche at 55° for fifteen seconds, as shown in Fig. 262, the workdone was 1.527 kgm. After a douche at 115°, duration five min-utes, the ergogram shown in Fig. 263 was obtained, and theamount of work registered was .927 kgm. The capacity formuscular work was thus increased 16.4 per cent by the cold doucheto the arm, and diminished 29.3 per cent by the hot douche. Theincreased amount of work done was due to the more energetic con-traction of the muscles. The observation was

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