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The urinary bladder is a hollow, muscular sac that temporarily stores urine before it is expelled from the body. It can hold approximately 600 mL of urine prior to micturition. The bladder is retroperitoneal and located behind the pubic symphysis in the pelvic floor.
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Imaging Studies II: Ultrasonography01:24

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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The genitourinary system maintains the body's fluid balance, waste excretion, and overall homeostasis. Proper assessment is essential for early detection of disorders, with percussion and auscultation integral to this evaluation. These methods help identify signs of kidney or bladder issues and provide important diagnostic clues.Percussion for Kidney TendernessPercussion is used to assess tenderness and detect kidney and bladder abnormalities. A common method for determining kidney tenderness...
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Urination, or micturition involves the coordination of the bladder's detrusor muscle and two sphincters to ensure controlled bladder emptying.
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Updated: Nov 18, 2025

A Vibrotactile Feedback Device for Seated Balance Assessment and Training
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Biofeedback for Pelvic Floor Disorders.

Melissa Hite1, Thomas Curran1

  • 1Department of Surgery, Division of Colon and Rectal Surgery, Medical University of South Carolina, Charleston, South Carolina.

Clinics in Colon and Rectal Surgery
|February 4, 2021
PubMed
Summary
This summary is machine-generated.

Biofeedback therapy, which uses equipment to provide real-time feedback, is more effective than pelvic floor muscle training alone for treating defecatory disorders. This approach improves outcomes for conditions like chronic constipation and fecal incontinence.

Keywords:
anismusbiofeedbackfecal incontinencepelvic floor disorderspelvic floor dyssynergiapelvic floor muscle training

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Area of Science:

  • Gastroenterology
  • Pelvic Floor Disorders
  • Rehabilitation Medicine

Background:

  • Defecatory disorders encompass structural, neurological, and functional issues, impacting quality of life and healthcare.
  • Common symptoms include fecal incontinence, anorectal pain, and pelvic floor dyssynergia.
  • Treatments range from medication and surgery to physical therapy and biofeedback.

Purpose of the Study:

  • To evaluate the efficacy of biofeedback therapy in managing defecatory disorders.
  • To compare the effectiveness of biofeedback with pelvic floor muscle training alone.
  • To explore the role of biofeedback in specific conditions like chronic constipation and fecal incontinence.

Main Methods:

  • Pelvic floor muscle training (PFMT) focuses on enhancing muscle strength, endurance, and coordination.
  • Biofeedback therapy integrates equipment to amplify and relay bodily activity information to patients.
  • Studies compared outcomes of biofeedback therapy versus PFMT alone for various defecatory disorders.

Main Results:

  • Biofeedback therapy has shown efficacy in treating chronic constipation with dyssynergic defecation, fecal incontinence, and low anterior resection syndrome.
  • Evidence for biofeedback in levator ani syndrome remains conflicting.
  • Comparative studies suggest biofeedback therapy is superior to pelvic floor muscle training alone.

Conclusions:

  • Biofeedback therapy represents a superior treatment option compared to pelvic floor muscle training alone for specific defecatory disorders.
  • Further research is needed to clarify the role of biofeedback in levator ani syndrome.
  • Biofeedback offers a valuable therapeutic modality for improving patient outcomes in functional anorectal disorders.