On deformities of the chest and spine / Illustrated by plates. By William Coulson.
- William Coulson
- Date:
- 1837
Licence: Public Domain Mark
Credit: On deformities of the chest and spine / Illustrated by plates. By William Coulson. Source: Wellcome Collection.
323/342 (page 283)
![‘But a very important question still remains:— _ What is it that causes this portion of the spine to yield? ‘This I shall now endeavour to investigate. ‘The first cause which I would assign is the want of sufficient general exercise, and especially of that which acts more immediately on the muscles of the back. [All writers have agreed that this, as a remote cause, produces general debility; but it is not an immediate or a local cause.] The second is the almost necessary yielding of the lumbar portion of the spine to the weight of the upper part of the body, if the girl be allowed to sit at work, or practise at the piano-forte for hours without any artificial support. [But this is vague talking. ‘The question is, Why do the lumbar vertebree yield to the left side? Obviously, because the dorsal vertebree yield to the right shoulder, compelled by its excessive employment.] The third cause I would name, is the habit of lounging or balancing the body on a leg. [But this raises the right shoulder.] The fourth, the habit of sitting awry](https://iiif.wellcomecollection.org/image/b33095395_0323.jp2/full/800%2C/0/default.jpg)