File:A treatise on anatomy, physiology and hygiene - designed for colleges, academies and families (1850) (14598220627).jpg

Identifier: treatiseonanatom00cutt (find matches)
Title: A treatise on anatomy, physiology and hygiene : designed for colleges, academies and families
Year: 1850 (1850s)
Authors: Cutter, Calvin, 1807-1873?
Subjects: Physiology Anatomy Hygiene Anatomy Physiology Hygiene
Publisher: Boston : B.B. Mussey
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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thefeet are not snpporteci. ported, the child soon becomes exhausted, restless, and unfitfor study. In the construction of a school-room, the benchesshould be of different heights, so as to be adapted to the dif-ferent pupils, and they should also have appropriate backs. 134. ^\^lat IS said of the benches or chairs in a school-room? What isrepresented by fig. 29 ? By fig. 30 ? ■\^Tiat is the effect when the lowerKmbs are not supported ? 56 ANATOMY, PHYSIOLOGY, AND HYGIENE 185. Compression of the chest should he avoided. In chil-dren, ai^d also in adults, the ribs are very flexible, and a smallamount of pressure will increase their curvature, particularly atthe lower part of the chest, and ^thus lessen the size of thiscavity. The lower ribs are united to the breast-bone, by long,yielding cartilages, and compressior»may not only contractthe chest, but an unseemly and painful ridge may be produced, by the bending of the cartilages, en one or both sidesof the sternum. Fig. 31. Fig. 32.
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^ Fig. 31. A natural and well-proportioned chest. Fig. 32. A chest fashionably deformed. 136. Again, the cartilages on one side may be bent out-ward, while those on the opposite side are bent inward, thusforming a depression parallel with the sternum. In some in-stances, the anterior extremity of the lower ribs on each side 13-5. Why should conijiression of the chest be avoided ? What is repre-sented by fig. 31 ? By fig. 32 ? HYGIENE OF THE BONES. 57 are brought nearly or quite together. Inthese instances, themovable extremities/ of the ribs are drawn down toward thohaunch-bones, while the space between the ribs is lessened:All this may be effected by tight or snug clothing. There-fore the apparel of a child should be loose, and supportedover the shoulders, to avoid the before-mentioned evils. Thesametmay be said of the clothing for adults. 137. The erect position in sitting and standing sJiould heassiduously observed. The spinal column, in its natural po-sition, curves from front to

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