The proper restoration of the pelvic floor implies not only the restoration of the injured structures to their continuity, but the re-establishment of their normal relations. The application of this principle implies, necessarily, a recognition of, first, the normal anatomy of the perineum, and second, the usual pathology of the injured structures. It would be manifestly out of place in this presence to consume either time or space by a presentation of the usual descriptive anatomy of the pelvic floor, but I feel that it is important to emphasize the well-established generalizations, viz.:
THE STATUS OF THE PELVIC FLOOR.
1. The pelvic floor consists essentially of two muscular layers: (a) The first consists of the bulbo-cavernosis. the transversis perinei, the sphincter ani externus with filaments from the pubo-coccygeus, all blending to form the external nidus of the perineum. (b) The second consists of the ilio-coccygeus, the ischio-coccygeus and the pubo-rectalis,
REED CAL. A NEW OPERATION FOR THE MORE SATISFACTORY REPAIR OF THE PELVIC FLOOR, WITH SPECIAL REFERENCE TO THE RESTORATION OF THE DEEP NIDUS OF THE PERINEUM.. JAMA. 1902;XXXIX(9):477–481. doi:10.1001/jama.1902.52480350015001d
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