Sciatica Without a Disc Problem — Piriformis Syndrome Resolved with Focused Shockwave
How a long-distance driver overcame 9 months of sciatica pain—not through spinal treatment, but by targeting the real culprit: the piriformis muscle.
The Patient Story
A 38-year-old female professional driver came to our clinic after nine months of unrelenting sciatica pain. She had already been down the typical diagnostic and treatment pathway: MRI imaging (normal), NSAIDs, and three months of physical therapy focused on lumbar spine stabilization. Despite all of it, her pain persisted. Her referring physician had even recommended an epidural steroid injection as the next step.
The key issue: everyone assumed her sciatica came from a disc herniation or lumbar radiculopathy. But her MRI was clean. Her lumbar spine imaging showed nothing remarkable. So why was she still in pain?
The Real Culprit: Piriformis Trigger Points
During our functional assessment, we identified the actual problem. The patient’s piriformis muscle—a small but critical muscle deep in the buttock region—was in severe spasm with multiple trigger points. Her nine months of prolonged sitting in a fixed driving position had created sustained muscular tension that gradually compressed the sciatic nerve as it passes through or near the piriformis.
This is a classic case of non-discogenic sciatica. Her nerve pain was real. Her symptoms were real. But the source was muscular entrapment, not spinal pathology. This distinction changed everything about how we treated her.
Clinical Information
| Category | Details |
|---|---|
| Chief Complaint | Sciatica (bilateral greater on right side) |
| Condition | Sciatica (piriformis syndrome) |
| Duration of Symptoms | 9 months |
| Occupation | Long-distance delivery/logistics driver |
| Prior Treatments | NSAIDs, lumbar MRI (normal), PT (lumbar-focused, ineffective) |
| Prior Recommendations | Epidural steroid injection |
| Key Finding | Piriformis muscle trigger points compressing sciatic nerve; clean spinal imaging |
Treatment Protocol
We designed a three-phase treatment plan targeting the piriformis and restoring proper sitting posture and driving ergonomics.
| Phase | Duration | Treatment Focus | Key Interventions |
|---|---|---|---|
| Phase 1: Acute Decompression | Weeks 1–2 | Resolve piriformis spasm and trigger points; reduce sciatic nerve compression | F-ESWT to piriformis trigger points (2 sessions), chiropractic SI joint alignment, myofascial release |
| Phase 2: Functional Retraining | Weeks 3–4 | Correct driving posture and sitting mechanics; prevent re-injury | DNS postural retraining for driver ergonomics, spinal stabilization exercises, hip mobility work |
| Phase 3: Integration & Prevention | Weeks 5–6 | Build strength and durability; return to full duty driving | F-ESWT follow-up session, progressive loading exercises, on-vehicle ergonomic assessment, home maintenance program |
Week-by-Week Timeline
Week 1: Initial Assessment & First F-ESWT
Comprehensive movement screening revealed piriformis dominance and SI joint dysfunction. First focused shockwave therapy session targeting piriformis trigger points. Immediate 30% pain reduction. Patient education on sitting posture and driving breaks.
Week 2: Second F-ESWT & Chiropractic Alignment
Follow-up F-ESWT session targeting residual trigger points. Chiropractic manipulation for SI joint realignment. Introduction of basic DNS exercises for postural correction. Pain reduced to 50% of baseline.
Week 3: DNS Postural Retraining Begins
Intensive DNS coaching focusing on breathing-coordinated movement and core activation in driving position. Patient practiced proper hip-neutral sitting in a chair. Mild symptoms only with extended driving (8+ hours).
Week 4: Ergonomic Integration
Full driving ergonomics assessment and modification. Lumbar support adjustment, seat height optimization, steering wheel positioning. Progressive return to normal work schedule. Pain minimal with modified driving.
Week 5: Strength Building
Progressive loading exercises for hip stabilizers and core. Patient performing 30-minute driving intervals without pain. Introduction of maintenance exercises for long-term prevention.
Week 6: Return to Full Duty
Final F-ESWT maintenance session. Patient driving full routes pain-free. Discharged with comprehensive home program and quarterly check-in protocol. Complete resolution of sciatica symptoms.
Key Clinical Insight
Not All Sciatica Comes From the Spine
Critical Differentiator: This case highlights a crucial diagnostic principle: a clean spinal MRI does NOT rule out sciatica. Piriformis syndrome accounts for 6–36% of sciatica cases, yet it is frequently missed because providers focus exclusively on lumbar spine imaging. This patient had real, significant nerve pain without any discogenic source.
The Missed Opportunity: She was initially positioned for an epidural steroid injection—a procedure targeting a problem she didn’t have. The root cause was never identified until functional movement assessment revealed piriformis dysfunction and myofascial restriction.
The Treatment Implication: Shockwave therapy combined with postural retraining proved far more effective than epidural injection would have been, because it addressed the actual tissue causing the symptoms. This is why functional diagnosis, not just imaging, is essential.
Outcome & Results
Complete Resolution. After six sessions over six weeks, the patient’s sciatica was entirely resolved. She returned to full-duty long-distance driving without pain or limitations. Six-month follow-up showed sustained resolution with continued adherence to her home maintenance program.
This outcome demonstrates the power of precise diagnosis combined with targeted treatment and functional retraining. The patient avoided an unnecessary epidural injection, prevented potential escalation to spinal surgery, and returned to her livelihood fully functional.
Related Therapies & Resources
Call to Action
Sciatica That Isn’t Responding to Treatment?
If you’ve been treated for lumbar disc problems but your sciatica persists, the real culprit might be muscle—not spine. Our functional assessment can identify the true source of your pain.
Schedule a consultation to see if piriformis syndrome or another non-discogenic source is driving your symptoms.
Book Your ConsultationMedical Disclaimer
Disclaimer: This case study is presented for educational and informational purposes only. It represents one patient’s experience and should not be construed as medical advice, a guarantee of results, or a recommendation for treatment. Individual results vary based on specific diagnosis, severity of condition, patient compliance, and other clinical factors. This case study does not constitute a doctor-patient relationship.
Always consult with a licensed healthcare provider before beginning any new treatment regimen. City Integrative Rehabilitation and its providers are not liable for any adverse outcomes resulting from the application of information presented in this case study.
For questions about your specific condition or to determine if these treatments are appropriate for you, please schedule a comprehensive consultation with one of our practitioners.

