File:The American text-book of obstetrics for practitioners and students (1903) (14590784398).jpg

Identifier: americantextbook02came (find matches)
Title: The American text-book of obstetrics for practitioners and students
Year: 1903 (1900s)
Authors: Cameron, James C. (James Chalmers) Norris, Richard C. (Richard Cooper), 1863-1937 Dickinson, Robert Latou, 1861-1950
Subjects: Obstetrics
Publisher: Philadelphia : W.B. Saunders & Co.
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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egree of oblique contrac-tion. The innominate bone toward which the lumbar vertebrae are bent,receiving the greater part of the weight of the trunk, is pushed upward,inward, and backward by the extra pressure exerted upon it by the head ofthe femur. The acetabulum on this side is displaced anteriorly and upward;the symphysis is pushed over on the opposite side. The degree of asym-metry is rarely sufficient to constitute an obstruction in labor. The sco-liotic pelvis is, however, most often rachitic, and in addition to the asym-metry of scoliosis there may be the contraction of a rachitic pelvis (PI. 34,Figs* 6-8). Kyphoscoliosis.—In a combination of kyphosis and scoliosis of thespinal column the pelvis will show, perhaps, the combined features ofboth, but the kyphosis, being of rachitic, not of carious, origin, is notangular, and is situated high in the dorsal region, where it may be com-pensated for entirely by lumbar lordosis (Fig. 334; PI. 36, Fig. 1). The DYSTOC) \. Ii.a ii. 36.
Text Appearing After Image:
l. Lumbo-dorsal kyphoscoliosis (Schauta). 2, Lordosis from paralysis of spinal muscles Birst). S. Skel-eton of a girl with cozalgia (Medical Museum, University of Pennsylvania), i. Rear view. .>. Side view,of an obliquely-contracted pelvis, the result of tuberculous disease in one knee-joint (Hirst), 6. Scoliosis from unilateral atrophy of the spinal muscles ;Hirst). /> YSTOCIA. 65 kyphoscoliotic pelvis is usually an asymmetrically contracted rachitic pelvis; PL 35, Fig. 1 ;. Lordosis.—Primary lordosis uol the result of pelvic deformity or ofspinal disease is very rare Aside from some illustrations of it in an arti-cle by Neugebauer (loc. cit.)f the writerknows of no reference to the subjectexcept his own - PL •>, Fig. 2). (tmay readily be seen what an influencethis deformity would have upon coitionand parturition, and how it might be aninsuperable obstacle to natural comple-tion of the latter. Anomalies due to Diseases of theSubjacent Skeleton: Coxalgia.—Thedef

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