Levator Ani Trigger Points
Introduction
The levator ani is a key pelvic floor muscle responsible for pelvic organ support, continence, and core stability. When trigger points develop in this muscle, they can cause pelvic pain, lower back discomfort, and bowel or bladder dysfunction, often mimicking prostatitis, endometriosis, or sacroiliac joint dysfunction.
Name and Area
Name: Levator Ani
Area: Located in the pelvic floor, spanning from the pubic bone, coccyx, and sacrum to the pelvic organs. It consists of three main parts:
Puborectalis (Supports the rectum and aids in continence).
Pubococcygeus (Maintains pelvic organ positioning).
Iliococcygeus (Assists in pelvic floor stabilization).
Indications
Levator ani trigger points may contribute to:
Deep Pelvic Pain (Mistaken for Prostatitis, Endometriosis, or Interstitial Cystitis)
Pain That Extends to the Tailbone, Lower Back, or Inner Thighs (Can Mimic Sciatica or SI Joint Pain)
Pain or Discomfort During Sitting (Common in Cyclists and Desk Workers)
Urinary Urgency, Frequency, or Pain (Can Be Mistaken for UTIs or Bladder Dysfunction)
Pain During or After Sexual Activity (Common in Both Men and Women, Often Mistaken for Pudendal Neuralgia)
Bowel Dysfunction, Such as Constipation or Pain With Defecation (Can Resemble IBS or Rectal Spasms)
Pain from this muscle is often mistaken for pelvic floor dysfunction, sacroiliac joint dysfunction, or lower back disorders.
Muscle Action
Supports the Pelvic Organs: Helps maintain the position of the bladder, uterus, and rectum.
Aids in Continence: Assists the urethral and anal sphincters in controlling urination and defecation.
Stabilizes the Pelvis and Lower Spine: Works with the deep core muscles for postural support.
The levator ani is essential for pelvic stability, bladder control, and sexual function.
Signs and Symptoms
Individuals with levator ani trigger points often report:
Deep, Aching Pain in the Perineum or Pelvic Floor
Pain That Spreads to the Tailbone, Lower Back, or Groin
Pain or Discomfort While Sitting (Worse on Hard Surfaces)
Urinary Issues (Urgency, Frequency, or Pain Without an Infection Present)
Bowel Dysfunction (Constipation, Pain with Bowel Movements, or Rectal Spasms)
Discomfort or Pain During Sexual Activity (Can Affect Both Men and Women)
Pain worsens with prolonged sitting, sexual activity, or stress-related muscle tension.
Perpetuating Factors
Common causes of levator ani trigger points include:
Prolonged Sitting or Poor Posture (Common in Office Workers, Cyclists, and Drivers)
Pelvic Surgeries, Childbirth, or Trauma (Can Cause Muscular Dysfunction and Chronic Pelvic Pain)
Chronic Stress or Anxiety (Increases Pelvic Floor Muscle Tightening, Often Leading to Painful Spasms)
Repetitive Straining During Bowel Movements (Common in Chronic Constipation or IBS)
Pelvic Imbalances or Hip Dysfunction (Can Lead to Overcompensation by the Pelvic Floor Muscles)
Trigger Point Referral Pattern
Trigger points in the levator ani refer pain to:
The perineum and deep pelvic region (Can Mimic Pelvic Floor Dysfunction or Pudendal Neuralgia)
The tailbone and sacrum (Mistaken for SI Joint Dysfunction or Coccydynia)
The inner thighs and lower abdomen (Can Resemble Groin Strain or Hip Flexor Tightness)
Pain from this muscle is often confused with chronic pelvic pain syndromes, sciatica, or urogenital dysfunction.
Differential Diagnosis
Levator ani trigger points may be mistaken for:
Prostatitis (Pelvic and Perineal Pain in Men, Often Without Infection Present)
Endometriosis (Deep Pelvic Pain in Women, Worse During Menstruation or Intercourse)
Interstitial Cystitis (Bladder Pain and Urgency Without a UTI)
Sacroiliac Joint Dysfunction (Pain in the Lower Back and Pelvic Region, Worse With Sitting or Walking)
Pudendal Neuralgia (Burning or Numbness in the Pelvic Floor and Perineum, Worse When Sitting)
A thorough pelvic floor, hip, and lower back examination is necessary to rule out these conditions.
Associated Trigger Points
Levator ani trigger points often co-exist with:
Piriformis (Deep Buttock Pain and Sciatic-Like Symptoms, Affects Pelvic Mobility)
Obturator Internus (Inner Hip and Groin Pain, Can Contribute to Pelvic Floor Dysfunction)
Quadratus Lumborum (Lower Back and Hip Pain, Affects Pelvic Stability)
Adductor Muscles (Inner Thigh and Groin Pain, Can Mimic Pelvic or Urogenital Pain)
Anatomy and Innervation
Muscle | Origin | Insertion | Innervation |
---|---|---|---|
Levator Ani | Pubic bone, tendinous arch of obturator fascia | Coccyx, anal canal, perineal body | Pudendal nerve, sacral plexus (S2–S4) |
The levator ani is innervated by the pudendal nerve and sacral plexus, which also control bladder, bowel, and sexual function.
Patient Examination
A comprehensive examination should include:
Palpation: Identify tender nodules in the pelvic floor, inner thighs, or tailbone area.
Internal or External Pelvic Floor Muscle Testing: Assess for muscle tightness, pain, or weakness.
Gait and Posture Analysis: Look for hip imbalances or postural dysfunction contributing to pelvic pain.
Hip and SI Joint Testing: Rule out sacroiliac dysfunction or hip instability.
Corrective Actions
Dry Needling
Dry needling can release trigger points in the levator ani, reducing pelvic tightness and improving function.
Manual Therapy
Trigger Point Release: Apply direct pressure to tight spots in the pelvic floor and sacral area.
Myofascial Release: Helps improve circulation and reduce pelvic muscle tension.
Stretching
Deep Squat Stretch: Helps lengthen and relax the pelvic floor muscles.
Happy Baby Pose: Opens the hips and relieves tension in the lower pelvis.
Strengthening Exercises
Pelvic Floor Relaxation Drills: Focus on controlled diaphragmatic breathing to release tightness.
Glute and Core Activation: Engages the posterior chain to support pelvic alignment and function.
Postural and Lifestyle Adjustments
Avoid Prolonged Sitting Without Breaks (Take Standing or Walking Breaks Every 30–60 Minutes)
Use Proper Toileting Techniques (Reduce Straining During Bowel Movements With Proper Pelvic Alignment)
Practice Stress Management and Relaxation Techniques (Reduce Chronic Pelvic Floor Tension)
Conclusion
The levator ani plays a crucial role in pelvic support, bladder control, and lower back stability, but trigger points in this muscle can cause significant pelvic, lower back, and hip pain. By incorporating dry needling, manual therapy, stretching, and relaxation techniques, individuals can reduce pain, improve mobility, and prevent future dysfunction.
➡️ Learn more about Trigger Points
Sources:
Travell, J. G., & Simons, D. G. (1983). Myofascial Pain and Dysfunction: The Trigger Point Manual (2nd ed.). Williams & Wilkins.
Simons, D., & Travell, J. (1999). The Trigger Point Manual, Volume 2: The Lower Extremities. Williams & Wilkins.