On deformities of the chest and spine / [William Coulson].

  • William Coulson
Date:
1839
Catalogue details

Licence: Public Domain Mark

Credit: On deformities of the chest and spine / [William Coulson]. Source: Wellcome Collection.

    31/344 page 9
    is drawn much easier against the second than the second is against the first; and so on to the last rib. At the same time, the breast-bone is pushed upwards, and removed from the spine. This alternate widening and narrowing of the chest may, in some degree, be compared to the opening and closing of a bellows. Both, however, in the expansion and compression of the chest, the change in the cavity is much less consi- derable behind than before, because the ribs are only slightly moveable at their posterior connection, whilst their anterior extremities, together with the breast- bone, are at once considerably elevated and removed from the spine. On the whole, the cavity of the chest appears tolerably symmetrical, and consequently the right half corresponds with the left; but this must not always be understood too strictly, as we often find one half stronger and more capacious than the other without any disease or malformation having occurred : in fact, a strictly symmetrical chest is perhaps never seen. Bevo
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