Pelvic Floor Anatomy

The Pelvic Floor[edit | edit source]

Osteology and Ligaments[edit | edit source]

Pelvic Floor Myology[edit | edit source]

Pelvic diaphragm

  • Levator ani - pubococcygeus, puborectalis, iliococcygeus
  • Ischiococcygeus


Sphincter urethrae


Perineal membrane


Superficial genital muscles;

  • Bulbocavernosus (bulbospongiosus in men)
  • Ischiocavernosus
  • Superficial transverse perineal


Associated muscles;

  • Piriformis
  • Obturator internus
  • Adductors
  • Gluteals
  • Transverse abdominus
  • Multifidus
  • Respiratory diaphragm