Dr. Emily Warren, DPT treats piriformis syndrome and deep gluteal pain one-on-one at Mindful Movement Physical Therapies in Holladay and Salt Lake City. No referral needed in Utah. If you’ve been told it’s “sciatica” but your back imaging is normal, this may be the explanation.

๐Ÿ“ž Call: (385) 332-4939
๐Ÿ“… Book Your Evaluation Online โ†’

Quick Answer

Piriformis syndrome โ€” now more accurately called deep gluteal syndrome โ€” is a neuromuscular condition where the sciatic nerve is compressed or irritated in the deep gluteal space, causing pain in the buttock and down the leg. It’s frequently misdiagnosed as lumbar radiculopathy (“sciatica from the back”) and can persist for months or years when treated with spinal interventions that miss the actual problem. Physical therapy targeting the deep hip rotators, sciatic nerve mobility, and hip mechanics is the treatment of choice.

What Is Deep Gluteal Syndrome?

The sciatic nerve โ€” the largest nerve in the body โ€” exits the pelvis through the greater sciatic foramen, passes through or alongside the piriformis muscle, and continues down the thigh. When this nerve is compressed, irritated, or restricted at any point in the deep gluteal space (not just at the piriformis), the result is buttock pain and posterior leg symptoms that can be identical in quality to lumbar-origin sciatica.

Historically, this condition was called “piriformis syndrome” and attributed entirely to compression by the piriformis muscle. More recent anatomical and surgical research has expanded the picture: multiple structures in the deep gluteal space can entrap the sciatic nerve, including the gemelli-obturator complex, the ischial-femoral interval, fibrovascular bands, and vascular anomalies. “Deep gluteal syndrome” is now the preferred term that captures this broader anatomical reality.

What hasn’t changed is that the spine is not the source of symptoms โ€” and treating the spine won’t resolve them.

How Common Is It?

Estimates vary widely because the condition is frequently misdiagnosed. Some studies suggest piriformis syndrome accounts for 6โ€“8% of all patients presenting with sciatica-like symptoms. Among patients with chronic buttock pain and negative lumbar imaging, the proportion is much higher. Women are affected more commonly than men, possibly related to differences in pelvic anatomy and hip biomechanics.

Long-duration sitting jobs are a major risk factor โ€” the sciatic nerve is under sustained compression in deep hip flexion, and office workers, truck drivers, and cyclists are disproportionately affected. Runners with hip weakness patterns and explosive athletes who develop piriformis hypertrophy are also commonly affected.

Symptoms and How to Recognize Deep Gluteal Syndrome

Deep gluteal syndrome presents differently from lumbar radiculopathy in ways that matter for diagnosis and treatment:

Classic Presentation

  • Deep buttock pain โ€” often described as a burning, aching, or pressure sensation in the center of the gluteal region, not localized to the SI joint or tailbone
  • Posterior thigh and leg referral โ€” down the back of the thigh (same distribution as lumbar sciatica)
  • Worsening with sitting โ€” particularly prolonged sitting, sitting on hard surfaces, and sitting with hip internal rotation (cross-legged). Classic: symptoms improve when standing and walking
  • Tenderness at the sciatic notch โ€” deep palpation of the mid-gluteal region (not the SI joint) reproduces symptoms
  • Positive FAIR test (hip Flexion, ADduction, Internal Rotation) โ€” this position compresses the sciatic nerve against the piriformis and is a key diagnostic finding
  • Negative or non-correlating lumbar imaging โ€” MRI shows either no pathology or changes that don’t explain the distribution of symptoms

How It Differs from Lumbar Sciatica

  • Lumbar sciatica typically worsens with lumbar flexion (bending forward) and is reproduced by positive SLR test in spinal loading positions. Deep gluteal syndrome does not reliably worsen with lumbar movement and has a negative SLR in spinal loading.
  • Lumbar sciatica often has associated low back pain. Deep gluteal syndrome may have no significant back pain โ€” just buttock and leg symptoms.
  • Lumbar sciatica typically worsens with Valsalva (cough, sneeze). Deep gluteal syndrome usually does not.

What Causes Piriformis / Deep Gluteal Syndrome?

Piriformis Spasm or Hypertrophy

Direct compression of the sciatic nerve by a tight, hypertrophied, or spasming piriformis muscle. Most common in athletes with sudden increases in training load, following a direct blow to the buttock, or with pelvic asymmetry that chronically overloads the hip rotators.

Hip Abductor Weakness and Compensatory Patterns

When the gluteus medius is weak, the piriformis is recruited as a substitute abductor โ€” it’s an external rotator by anatomy but can assist in abduction. This overloading leads to chronic piriformis tension and eventual nerve irritation. This is the most common mechanism in runners and active individuals.

Ischial-Femoral Impingement

The space between the ischial tuberosity and the lesser trochanter of the femur can narrow in certain hip positions, compressing the quadratus femoris and sciatic nerve. This is distinct from piriformis compression but produces overlapping symptoms.

Post-Traumatic Scarring

Following a fall onto the buttock, hip surgery, or prolonged immobilization, fibrous adhesions can develop in the deep gluteal space, restricting sciatic nerve mobility and causing irritation during hip movement.

Anatomical Variant

In roughly 15% of people, the sciatic nerve passes through the piriformis muscle (rather than below it) or divides above it, making these individuals inherently more susceptible to compression.

Physical Therapy Evaluation

An accurate diagnosis is the foundation of effective treatment. Dr. Warren’s evaluation includes:

  • Lumbar and SIJ screening โ€” ruling out spinal and sacroiliac sources of symptoms before focusing on the deep gluteal space
  • FAIR test and pace sign (pain/weakness with resisted hip abduction-ER in seated position)
  • Beatty’s test (lateral decubitus, lifting knee off table) โ€” piriformis-specific provocation
  • Palpation of the deep gluteal region โ€” identifying the trigger point in the mid-gluteal area
  • Sciatic nerve tension testing in neutral lumbar position โ€” differentiating neural tension from muscular tightness
  • Hip strength testing โ€” particularly abductor and external rotator strength; identifying compensatory loading patterns
  • Gait analysis โ€” looking for contralateral pelvic drop (Trendelenburg pattern) that overloads the ipsilateral deep rotators

Treatment Plan for Deep Gluteal Syndrome

Phase 1 โ€” Neural Symptom Control (Weeks 1โ€“3)

  • Activity modification โ€” avoiding provocative positions (deep hip flexion/adduction/IR, prolonged sitting)
  • Sciatic nerve neurodynamic mobilization โ€” gentle nerve flossing exercises to restore nerve mobility and reduce sensitization. Unlike lumbar sciatica nerve flossing, this is performed in hip extension and neutral lumbar spine
  • Piriformis soft tissue work โ€” manual release, trigger point therapy, and gentle stretching in non-provocative positions
  • Dry needling โ€” deep needling to the piriformis and gemellus complex, guided by palpation. Particularly effective for reducing the active trigger point that maintains nerve compression
  • Ergonomic modifications โ€” cushioned seating, standing breaks, avoiding low seats that put the hip into deep flexion

Phase 2 โ€” Hip Strengthening and Movement Re-Education (Weeks 3โ€“10)

Addressing the underlying hip weakness is essential for preventing recurrence. Treating the piriformis without strengthening the gluteus medius is like treating the symptom without the cause.

  • Gluteus medius strengthening: Clamshells โ†’ side-lying abduction โ†’ standing band work โ†’ single-leg exercises
  • Gluteus maximus loading: Hip thrusts, deadlifts, step-ups โ€” restoring the primary posterior chain
  • Deep external rotator strengthening at controlled ranges โ€” building capacity without overloading the piriformis
  • Pelvic stability work: Bird dogs, dead bugs, single-leg stance training โ€” reducing compensatory loading on the deep rotators during gait

Phase 3 โ€” Sport and Activity Return (Weeks 8โ€“16)

  • Running gait retraining โ€” widening step width to reduce hip adduction, normalizing foot strike
  • Return-to-sit protocols for desk workers: standing desks, regular movement breaks, piriformis stretch schedule
  • Cycling mechanics adjustment for cyclists โ€” saddle height and cleat alignment have major effects on hip position

Common Questions About Piriformis Syndrome

How do I know if my sciatica is coming from the piriformis vs. the spine?

The two key distinguishing features: (1) deep gluteal syndrome worsens significantly with prolonged sitting and improves with standing/walking, while lumbar sciatica typically worsens with bending and prolonged standing; (2) direct palpation of the mid-gluteal region reproduces your symptoms in deep gluteal syndrome. A physical therapist can differentiate these reliably through examination โ€” you don’t need imaging to make the distinction.

I’ve had lumbar steroid injections that didn’t help. Could this be the explanation?

Yes โ€” this is one of the most common presentations Dr. Warren sees. Patients who have undergone epidural steroid injections, lumbar PT, or even discectomy without improvement are frequently found to have a peripheral nerve entrapment component. If your spine has been thoroughly worked up and treated without resolution, the deep gluteal space is worth evaluating.

Should I stretch the piriformis or strengthen it?

Both โ€” but in the right sequence. In the acute/irritated phase, aggressive piriformis stretching can further irritate the compressed nerve. Start with gentle nerve mobilization and soft tissue work. As symptoms settle and hip strength is restored, controlled piriformis stretching becomes beneficial. Strengthening the surrounding hip musculature (especially gluteus medius) ultimately reduces the demand on the piriformis more than any amount of stretching.

Is there a role for surgery in deep gluteal syndrome?

Endoscopic sciatic nerve release for true deep gluteal syndrome has shown promising results in surgical series, but it’s a niche procedure at specialized centers. The vast majority of patients resolve with conservative management. Surgery is reserved for cases with confirmed neural entrapment on advanced imaging (MRI neurography) and failure of 3โ€“6 months of appropriate conservative treatment.

Piriformis Syndrome Treatment in Salt Lake City

If you have deep buttock pain and leg symptoms that have been evaluated as “sciatica” without a clear spinal source โ€” or if lumbar treatment hasn’t resolved your symptoms โ€” this diagnosis deserves evaluation.

Dr. Emily Warren sees patients one-on-one at Mindful Movement Physical Therapies in Holladay and Salt Lake City. No referral needed in Utah.

๐Ÿ“ž Call: (385) 332-4939
๐Ÿ“… Book Your Evaluation Online โ†’


Dr. Emily Warren, DPT is a McKenzie-certified physical therapist with over 14 years of clinical experience treating complex spine and hip conditions, including piriformis syndrome, hip labral tears, and sciatica from both spinal and non-spinal sources.


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