Written by Dr. Sam McDonald, DC (Colorado Chiropractic License CHR.0007574), Omega Functional Health.

Most sciatica care aims at the spine, which makes sense, because the spine is where a great deal of sciatica starts. But a meaningful share of people with pain running down the leg have a second problem sitting further down the chain, in the deep muscles of the buttock and hip, and that part frequently goes untreated.

When it does, care aimed only at the low back tends to produce the pattern people describe as “it helps for a few days and then comes back.”

What Is Shockwave Therapy?

Focused shockwave therapy uses acoustic pressure waves delivered through the skin into deeper tissue. It uses the same underlying technology as lithotripsy, the treatment used to break up kidney stones, but at much lower energy. The goal is not to break tissue apart. It is to provoke a repair response in tissue that has stopped progressing: increasing local blood flow, reducing persistent tension in trigger points, and stimulating the body’s own healing activity in an area that has gone quiet.

It is not an injection, it does not require anesthesia, and it does not involve downtime. Most people describe it as an intense but tolerable thumping sensation.

Why Would Shockwave Be Used for Sciatica at All?

Because “sciatica” describes a pain pattern, not a single cause. The sciatic nerve passes through the deep hip rotators on its way down the leg, and the piriformis and surrounding deep gluteal tissue sit directly along that path. Tension, scarring, or long-standing trigger points in that region can irritate the nerve well below the spine, or refer pain down the leg without involving the nerve root at all.

This is a different problem from a disc herniation, even though it can feel nearly identical to the person experiencing it. We wrote more about telling those apart in sciatica versus herniated disc. Shockwave is relevant to the tissue-based version of the problem, and largely irrelevant to a purely disc-driven one, which is exactly why the examination has to come first.

Our Three-Part Approach to Persistent Sciatica

We built our care around three connected mechanisms rather than one, and for leg pain with a deep gluteal component, the local tissue piece is usually where we lead.

Shockwave for local tissue. Where examination points to genuine tissue involvement in the piriformis, the deep gluteal group, or the hamstring origin, focused shockwave can be applied directly to those structures. This is the part of the problem that sits closest to the nerve and is often the most neglected.

Global structural correction. Tissue rarely becomes irritable in isolation. The body distributes load as a connected system, and the pelvis sits at the center of that system. Where the pelvis, lumbar spine, and hips are not sharing load well, the same deep gluteal tissue keeps getting overworked, and treating it locally without addressing that pattern tends to give relief that keeps unwinding. Structural work aims at the pattern, not just the sore spot.

Movement and balance retraining. People with leg pain protect it, usually within days, and that protective pattern often outlives the original problem. Where testing shows that how you load and balance through the affected side has changed, retraining that is part of keeping the tissue from being re-irritated on a loop. How much this contributes varies a great deal between people, which is a reason to test it rather than assume it.

We lead with whichever of the three the examination says is most relevant, then address the others where a real connection exists in your case rather than applying all three by default.

How Do We Determine Whether Shockwave Is Appropriate for You?

We test before we treat. For leg pain, that generally includes orthopedic and neurological testing to establish whether a nerve root is genuinely involved, hands-on examination of the deep gluteal structures to identify whether the tissue there is actually part of the picture, and assessment of hip and pelvic mechanics and how you distribute load.

If that examination points to a primarily disc-driven or nerve-root problem with no meaningful tissue component, shockwave is not the right tool, and we will say so. It is a specific intervention for a specific finding, not a general treatment for leg pain.

What Does a Course of Care Tend to Look Like?

A typical course of shockwave care runs somewhere in the range of six to twelve sessions, though this varies with the individual and with what else is being addressed alongside it. Sessions are short, usually scheduled weekly or twice weekly.

Change tends to be gradual rather than immediate. Many people notice some shift in the first few weeks, often in how the tissue feels to pressure or how long they can sit before symptoms build, before the referred leg pain itself changes much. Plateaus partway through a course are common and do not necessarily mean the approach is not working, though they are worth discussing when they happen.

We retest rather than relying on impressions, so that if something is not responding we know it early rather than after twenty visits.

A Personalized Approach

Care follows the Omega Method: Discover what testing shows across tissue, structure, and movement; Decode what that combination means in your case; Direct a plan built around those findings; and Develop it as retesting shows what is responding and what is not.

Does Shockwave Replace Traditional Sciatica Treatment?

No. Progressive weakness in the leg or foot, a foot that catches or drops when you walk, numbness in the saddle region, or any change in bladder or bowel control needs immediate medical evaluation rather than a conservative care plan. Surgical consultation remains appropriate for some people, particularly with significant or worsening neurological involvement.

Physical therapy, medical management, and injections all have a place. What we offer is a tool aimed at a specific contributor that those approaches do not always address directly.

Who May Be a Candidate?

• Adults whose leg pain has persisted past the first several weeks
• People whose pain is centered in the buttock and radiates down the back of the thigh
• Those with deep, tender spots in the buttock that reproduce the leg symptoms when pressed
• People whose imaging did not explain the severity of what they are experiencing
• Anyone who has improved with spine-focused care but never fully resolved

What Does the Research Say?

The evidence for shockwave in this specific application is encouraging but still developing, and it is worth being clear about that.

A randomized clinical trial published in the Journal of Bodywork and Movement Therapies in 2022 compared radial shockwave therapy against corticosteroid injection in people with piriformis syndrome, and found shockwave to be a reasonable alternative on pain and function outcomes. A 2025 randomized controlled trial compared ultrasound-guided corticosteroid injection against shockwave therapy in the same population, adding to a small but growing body of trial evidence in this area.

Separately, a 2021 meta-analysis of eleven randomized controlled trials found that shockwave therapy produced meaningful improvements in pain intensity and pressure sensitivity for myofascial pain, with focused shockwave performing well in subgroup analysis. That work looked at the neck and shoulder rather than the hip, so it supports the general mechanism rather than this specific application.

Sample sizes in this literature are often modest and protocols vary between studies. This evidence should be read as promising rather than settled.

What This Approach Does and Does Not Claim

We do not claim shockwave treats disc herniations, resolves nerve-root compression, or works for everyone with leg pain. We cannot promise a specific outcome. What we can do is determine whether the tissue component is present in your case, and treat it directly when it is.

If Spine-Focused Care Has Only Taken You Partway

If your leg pain has improved somewhat and then stalled, the part that did not respond is worth examining on its own terms. Every case is different and we cannot promise a particular result, but we can tell you what we find and build care around it. Omega Functional Health serves Wheat Ridge, Denver, Arvada, Lakewood, Golden, Littleton, and surrounding Colorado communities.

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References

• Comparing radial extracorporeal shockwave therapy and corticosteroid injection in the treatment of piriformis syndrome: A randomized clinical trial. Journal of Bodywork and Movement Therapies. 2022. PMID: 36775517
• Efficacy of ultrasound-guided piriformis muscle corticosteroid injection versus extracorporeal shockwave therapy in patients with piriformis syndrome: A randomized controlled trial. 2025. PMID: 40016058
• Jun JH, et al. The Effect of Extracorporeal Shock Wave Therapy on Pain Intensity and Neck Disability for Patients With Myofascial Pain Syndrome in the Neck and Shoulder: A Meta-Analysis of Randomized Controlled Trials. American Journal of Physical Medicine & Rehabilitation. 2021;100(2):120-129. PMID: 32520797
• Jensen RK, Kongsted A, Kjaer P, Koes B. Diagnosis and treatment of sciatica. BMJ. 2019;367:l6273. doi:10.1136/bmj.l6273