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Standing Anatomy of the Pelvic Floor

 

作者: John DeLancey,  

 

期刊: Journal of Pelvic Surgery  (OVID Available online 1996)
卷期: Volume 2, issue 5  

页码: 260-263

 

ISSN:1077-2847

 

年代: 1996

 

出版商: OVID

 

数据来源: OVID

 

摘要:

IntroductionThe ligaments and muscles of the pelvic floor are in the “position of function” in the standing position. This article describes 3 techniques that facilitate studying standing pelvic support anatomy and avoid the artifact induced by injection embalming.MethodsThe pelvic region of female cadavers is fixed by suspending them in formalin just above the flotation point. Once firmly fixed, the pelvis is held in the standing position by a specially designed apparatus consisting of two vertical posts fixed to a board, over which the marrow canals of the proximal femur may be placed. In this position, the structural mechanics of the fascial tissues can be observed while contraction and relaxation of the levator ani muscles are simulated by traction on a cord placed parallel to the fibers of the levator ani muscle.ResultsThese techniques allow the ligaments' orientation to be visualized as they resist gravity. Simulation of levator ani contraction is also possible and shows its relationship to fascial tissue tension. Perception of the structural relationships between the fascia and muscles is emphasized.ConclusionExamination of the supportive tissues of the pelvis in a standing position, fixed without the artifact caused by injection embalming, permits the structural logic of the pelvic organ support system to be appreciated properly.

 

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