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All pages Journal of the American Medical Association; Chicago, III. -; SERIAL; Reynolds, Edwards and Lovett, Robert W. An experimental study of chronic backache; 1910, March 26.
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VOLUME LIV
NUMBER 13
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Chronic Backache--Reynolds and Lovett
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1033-1043
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1033 - 1034 - 1035 - 1036 - 1037 - 1038 - 1039 - 1040 - 1041 - 1042 - 1043
Fig. 1.--Diagram of the apparatus for estimating the center of
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Fig. 2.--Apparatus In use. The lines drawn represent the lines shown In the record tracings. The long line running vertically is the perpendicular of the center of gravity.
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Fig. 3.--Outline drawing or bad corset applied to a model.
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Fig. 4.--Position Induced by bad corset in dotted outline; normal in solid line. In this Instance the shoulders are thrown buck or the normal a little. but not so much as the hips. On this and all following records, the solid vertical indicates the original position of the centre of gravity, the dotted vertical the induced position.
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Fig. 5.--Position induced by bad corset in dotted outline; normal in solid line. In this instance the shoulders the thrown forward of the normal nod the back of the corset.
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Fig. 6.--Outline drawing or good corset applied to a model.
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Fig, 7.--Position induced by good corset in dotted outline. NorĀmal in solid line. The apparent flattening of the lumbar curve in the dotted line is due to the bulging of the soft tissues through the open space at the back of the corset.
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Fig. 8.--Drawing from composite photograph or model in two positions. The center or gravity is not changed in its relation to the feet.
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Fig. 9.--Record of the normal position and that induced by high-heeled shoes, the normal in solid line, the induced position in dotted line.
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Fig. l0.--Record of normal position in solid line, corset position in dotted line and position of shoes and corsets in black line broken at longer intervals.
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Fig. 11.--Record of Patient 4. whose backache was relieved by corset and Cook bark splint. Original position in solid line; position of relief in dotted line.
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