A textbook of obstetrics . Fig. 309.—Minor grade of Fig. 310.—Schematic representation ofan osteomalacic pelvis (Schroeder). ceedingly rare in America. There are certain parts of the worldwhere it is frequently seen, notably Italy, Germany, and Austria,but in America there are but three or four examples on bones of the pelvis in this disease become so soft that theyyield t every force imposed upon them. They bend before thepressure of the trunk from above, the extremities from below, andthe pull of the muscles attached t the pelvic bones. The flexi-bility of the
A textbook of obstetrics . Fig. 309.—Minor grade of Fig. 310.—Schematic representation ofan osteomalacic pelvis (Schroeder). ceedingly rare in America. There are certain parts of the worldwhere it is frequently seen, notably Italy, Germany, and Austria,but in America there are but three or four examples on bones of the pelvis in this disease become so soft that theyyield t every force imposed upon them. They bend before thepressure of the trunk from above, the extremities from below, andthe pull of the muscles attached t the pelvic bones. The flexi-bility of the pelvis in extreme eases of osteomalacia may be appre-ciated when it is stated that the superior iliac spines maybe bentbackward until they touch the spinal column ; the horizontalrami of the pubis may be pushed inward until they almost oblit-erate the pelvic inlet ; and the tuberosities of the ischium may ANOMALIES IN THE FORCES 01- LABOR. 45 1 be approximated until they nearly elose the pelvic outlet. Notonly are the pelvic walls so compressed that
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Keywords: ., bookcentury1800, bookdecade1890, bookidtex, booksubjectobstetrics
