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Biofeedback therapy in pelvic floor disorders. Roxana Bazaz Behbahani MsC.Physiotherapy. What is Pelvic Floor Biofeedback Therapy?. Pelvic floor biofeedback therapy is a type of physical therapy that can help men and women to learn how to contract and relax the pelvic floor muscles.

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biofeedback therapy in pelvic floor disorders

Biofeedback therapy in pelvic floor disorders

Roxana Bazaz Behbahani MsC.Physiotherapy

what is pelvic floor biofeedback therapy
What is Pelvic Floor Biofeedback Therapy?
  • Pelvic floor biofeedback therapy is a type of physical therapy that can help men and women to learn how to contract and relax the pelvic floor muscles.
  • It can be useful for patients who have bladder or bowel incontinence, slow urination caused by abnormal pelvic muscle contraction,and pelvic floor dysfunction.
  • Patients usually spend 3 sessions a week for 1-2 months with a therapist who is specially trained in pelvic floor therapy.
how does pelvic floor biofeedback therapy work
How does pelvic floor biofeedback therapy work?
  • Pelvic floor biofeedback therapy works by training the brain and pelvic muscles to work together to tighten and relax the pelvic floor muscles.
  • Sensors in the vagina or rectum measure the contraction and relaxation of the muscles and patients get visual cues on a computer monitor so that they can learn to better use these muscles.
  • In many cases women have tried “Kegel” exercises to strengthen the pelvic muscles without success, but they have not been contracting the proper muscles or they have been contracting them in an improper manner. Many of these women will have more improvement following pelvic floor biofeedback therapy.
biofeedback tools in pelvic floor muscle training
Biofeedback tools in pelvic floor muscle training
  • Sensory biofeedback
  • Pressure biofeedback
  • Cyctometric and urodynamic
  • Ultrasonic
  • Electromyographic
sensory biofeedback
Sensory biofeedback
  • Digital palpation
  • Vaginal cones
ultrasonic biofeedback
Ultrasonic biofeedback
  • Trans abdominal ultrasonography
electromyographic biofeedback1
Electromyographic biofeedback
  • Biofeedback units generally provide either visual or auditory feedback relative to the quantity of electrical activity
  • Visual feedback uses lights, bars, or analogue or digital meters
  • Auditory feedback uses increasing or decreasing tones, buzzing, beeping or clicking
semg artifacts
SEMG artifacts

Line interference (50/60Hz noise)

EKG Artifacts

Movement artifacts

semg signal analysis
SEMG signal analysis
  • Baseline or resting level: the level of SEMG when the muscle is totally relaxed. It is generally accepted that the SEMG of a muscle at rest should be below 5μV.
  • Averaged contraction (mean of SEMG during contraction): this is a good indicator of the level of muscle strength and endurance (while performing an isometric contraction).
  • Peak or maximum: this is the maximum SEMG amplitude the muscle can generate.
  • Variability: is a good indicator of the neuromuscular stability.
semg recording of a healthy muscle
SEMG recording of a healthy muscle.

Resting level is low

onset and release are quick

and the contraction is high

semg unhealthy muscle
SEMG unhealthy muscle

The resting level is too high

The level of contraction is very low

The muscle shows instability