The practice of obstetrics, designed for the use of students and practitioners of medicine . e (Fig. 511). The pelvic inclination, while it depends in a greatmeasure upon the angle thus formed, yet is produced in part also by theobliquity of the innominate bones to the sacrum. The union between thevertebral bodies is amphiarthrodial, while that between the apophyses isarthrodial. Sacro-coccygeal Joint.—The most movable joint is the sacro-coccygeal joint,and is considered a part of the pelvic floor. It has two articular surfaces, aninterosseous fibro-cartilage, and four peripheral ligaments. Fi
The practice of obstetrics, designed for the use of students and practitioners of medicine . e (Fig. 511). The pelvic inclination, while it depends in a greatmeasure upon the angle thus formed, yet is produced in part also by theobliquity of the innominate bones to the sacrum. The union between thevertebral bodies is amphiarthrodial, while that between the apophyses isarthrodial. Sacro-coccygeal Joint.—The most movable joint is the sacro-coccygeal joint,and is considered a part of the pelvic floor. It has two articular surfaces, aninterosseous fibro-cartilage, and four peripheral ligaments. Firm union betweenthe coccyx and sacrum occasionally occurs even in young subjects, but is mostoften found in elderly primiparas. Generally, however, during the exit of the INTERNAL SURFACE OF THE PELVIS. 379 head the coccyx is pushed back, and by this means the antero-posterior diameterof the outlet is increased to the extent of one inch. Functions of the Pelvic Joints.—In an obstetric sense the pelvic joints aredesigned by nature not so much to increase the diameters of the pelvis by. N
Size: 1853px × 1348px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectobstetrics, bookyear1
