The practice of obstetrics, designed for the use of students and practitioners of medicine . Fig. 518.—Early AntenatalPelves. (Natural size.) —{Authors collection.) In this connection it is only necessary to state thatwhile the angle between the inlet plane and horizonis less than in the fiat dorsal position, the angle be-tween the conjugate and lumbar spine is notablyincreased. (5) If the woman, lying upon her back,flexes her legs at both the hip and knee, and at thesame time approximates them moderately, form-ing the lithotomy position, the pelvis rotates alittle upon its transverse axis so
The practice of obstetrics, designed for the use of students and practitioners of medicine . Fig. 518.—Early AntenatalPelves. (Natural size.) —{Authors collection.) In this connection it is only necessary to state thatwhile the angle between the inlet plane and horizonis less than in the fiat dorsal position, the angle be-tween the conjugate and lumbar spine is notablyincreased. (5) If the woman, lying upon her back,flexes her legs at both the hip and knee, and at thesame time approximates them moderately, form-ing the lithotomy position, the pelvis rotates alittle upon its transverse axis so that the angle ofthe fiat dorsal position is increased from 25 to 30degrees or over. (See Part X.) If now the thighsand legs are flexed to the utmost so that the thighsare pressed tightly against the abdomen,—theexaggerated lithotomy position,—the pelvis con-tinues to rotate upon its transverse axis until theangle reaches 60 degrees. There is a correspondingdiminution in the angle between the spine andconjugate. (See Part X.) (7) If with the womanin the fiat dorsal position the t
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectobstetrics, bookyear1
