Pelvic Floor Anatomy: Difference between revisions

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*Deep transverse perineal
*Deep transverse perineal


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3.&nbsp;Pelvic diaphragm: innervated by sacral nerve roots S3-S5
3.&nbsp;Pelvic diaphragm: innervated by sacral nerve roots S3-S5  


*Levator ani: pubococcygeus (pubovaginalis, puborectalis), iliococcygeus
*Levator ani: pubococcygeus (pubovaginalis, puborectalis), iliococcygeus  
*Coccygeus/ischiococcygeus
*Coccygeus/ischiococcygeus  
*Piriformis
*Piriformis  
*Obturator internus
*Obturator internus


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[[Category:Womens_Health]]
[[Category:Womens_Health]]

Revision as of 19:55, 7 April 2014

Introduction
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3 Layers[edit | edit source]

The pelvic floor consists of three muscle layers:

1. Superficial perineal layer: innervated by the pudendal nerve

  • Bulbocavernosus
  • Ischiocavernosus
  • Superficial transverse perineal
  • External anal sphincter (EAS)


2. Deep urogenital diaphragm layer: innervated by pudendal nerve

  • Compressor urethera
  • Uretrovaginal sphincter
  • Deep transverse perineal


3. Pelvic diaphragm: innervated by sacral nerve roots S3-S5

  • Levator ani: pubococcygeus (pubovaginalis, puborectalis), iliococcygeus
  • Coccygeus/ischiococcygeus
  • Piriformis
  • Obturator internus