Pelvic Floor (PF) Muscles?Why do PTs ignore the muscle

Reference:Sapsford R, Hodges P, Richardson C (1999),”Activation of abdominal muscles: A Normal Response to Contraction of the Pelvic Floor Muscles”. Department of Physiotherapy, Mater Miseriordiae Hospital and University of Queensland, Brisbane, Australia. A preliminary study


  • The pelvic floor (PF) is part of a big picture when it comes to lumbar and SI stability
  • Tranversus Abdominis (TrA) forms a ‘cylinder’ , the diaphragm forms the roof, and adequate PF tone is essential for the floor of this ‘cylinder’
  • PF muscles are amazing tonic muscles that must be active 24 hours a day?even when we sleep (we hope!)
  • Preliminary studies have demonstrated that PF muscles do not become weak but lose their timing in low back pain patients?just like the TrA!

    Study Conclusion: TrA and PF muscles have been shown on fine wire EMG studies to work synergistically together and most efficiently while maintaining an anterior pelvic tilt posture ?(more reason to sit up straight!)

    Posted on: February 13, 2002

    Categories: SI & Pelvis

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