Pubovaginal muscle

Pubovaginal muscle is a part of the pelvic floor muscles, which support the pelvic organs and contribute to urinary and fecal continence. This muscle is particularly important in female anatomy, as it plays a crucial role in sexual function and childbirth.

Anatomy

The pubovaginal muscle is a thin, flat muscle that stretches from the pubic bone to the vaginal wall. It is part of the levator ani group of muscles, which also includes the pubococcygeus muscle and the iliococcygeus muscle. The pubovaginal muscle is located on the anterior side of the pelvic floor, and it is closely associated with the urethra and the vagina.

The pubovaginal muscle (shown in red) is part of the pelvic floor muscles.

Function

The primary function of the pubovaginal muscle is to support the pelvic organs and help maintain continence. It does this by creating a firm seal around the urethra and vagina, preventing the involuntary leakage of urine or feces. During sexual arousal, the pubovaginal muscle contracts, tightening the vaginal opening and enhancing sexual sensation. During childbirth, this muscle relaxes to allow the passage of the baby.

Clinical significance

Damage or weakening of the pubovaginal muscle can lead to a number of health issues, including urinary incontinence, fecal incontinence, and pelvic organ prolapse. These conditions can significantly impact a woman's quality of life and may require treatment such as pelvic floor exercises, medication, or surgery.

See also

• Pelvic floor
• Levator ani
• Urinary incontinence
• Pelvic organ prolapse

References

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