Original Article

Experimental Study No. 4: Abdominal pressure increase during anorectal closure is secondary to striated pelvic muscle contraction

  • PETER PETROS
  • MICHAEL SWASH

Pelviperineology 2008;27(3):100-101

Abdominal pressure measurements during squeezing and straining simultaneous with vaginal EMG indicate that anorectal closure is not caused by raised intra-abdominal pressure, but by pelvic muscle contraction.

Keywords: Anorectal closure; Raised intra-abdominal pressure; Integral theory.