An inquiry into the physiological mechanism of respiration : with especial reference to the movements of the vertebral column and diaphragm / by J.F. Halls Dally.

  • Dally, John Frederick Halls, 1877-1944.
Date:
[1909]
Catalogue details

Licence: In copyright

Credit: An inquiry into the physiological mechanism of respiration : with especial reference to the movements of the vertebral column and diaphragm / by J.F. Halls Dally. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    })8 Fig. 4.—A, Vertebral column of fcetus (koilo-rachic). B, Vertebral colutmi of adult (kurto racliic). The diagram on the right shows the ])osition of the vertebral column in inspiration (continuous line) and expiration (broken line). C6, si.'tth cervical vertebra; Th.9, ninth thoraeie vertebra; S3, third sacral vertei>ra; C.G., centre of gravity; H., hip-joint. tlioracic spine with simultaneous extension of the upper thoracic vertebne as far as the superior scapular angle, in consequence of which in deep breathing the upper thoracic region is widened antero-posteriorl}^ When