Pain

Hypertonic Pelvic Floor Dysfunction and How Poor Sitting Contributes to It

Written by Stacey Mullis, OTR/L, ATP, NPI-CPS | Jun 9, 2025 1:00:02 PM

 

ANTHROS BLOG

June 9th, 2025

Hypertonic Pelvic Floor Dysfunction and How Poor Sitting Contributes to It

Understanding Hypertonic Pelvic Floor Dysfunction

The pelvic floor consists of a group of muscles that support the bladder, bowel, and reproductive organs.

These muscles should function dynamically—contracting when needed and relaxing when appropriate. However, in cases of hypertonic pelvic floor dysfunction (HPFD), these muscles become overly tight and unable to relax fully.

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Common Symptoms of Hypertonic Pelvic Floor Dysfunction:

Stretching helps by:

  • Chronic pelvic pain
  • Urinary urgency or hesitancy
  • Constipation
  • Pain during intercourse
  • Lower back and hip pain

While HPFD can stem from multiple causes—including stress, trauma, or improper exercise—one often overlooked culprit is poor sitting posture.

1. Slouched Sitting Increases Pelvic Tension

Sitting in a slouched or posteriorly tilted position (where the pelvis tucks under and the lower back rounds) shortens and over-activates the pelvic floor muscles.

This continuous engagement prevents the muscles from relaxing, contributing to hypertonicity over time.

2. Anterior Pelvic Tilt and Muscle Imbalance

On the other hand, sitting with an excessive anterior pelvic tilt (where the lower back is overly arched) places undue strain on the hip flexors, lower back, and pelvic floor.

This imbalance can create compensatory tension in the pelvic muscles, worsening dysfunction.

3. Reduced Blood Flow and Nerve Compression

Sitting improperly for long periods can reduce circulation to the pelvic floor muscles and compress important nerves, such as the pudendal nerve.

This can contribute to both pain and dysfunction in the area.

Enhancing pelvic health with better sitting.

Hypertonic pelvic floor dysfunction is a challenging but manageable condition, and addressing how you sit is a critical step in reducing symptoms. By choosing an ergonomic chair, maintaining good posture, and incorporating movement into your day, you can help prevent and alleviate pelvic floor tension.

If you experience persistent symptoms, consulting with a pelvic floor physical therapist can provide further guidance on relaxation techniques and postural corrections tailored to your needs.

Taking care of your pelvic health starts with something as simple as how you sit—so make it count!