Direct clinical trials of shockwave specifically for abdominal wall muscle injury have not been identified. The strongest evidence comes from broader myofascial and skeletal-muscle research, so treatment should be guided by diagnosis rather than extrapolated automatically from other regions.
The abdominal wall also adds safety considerations that limb muscles do not. The bowel, bladder and other organs sit directly beneath it, and several look-alike problems, from hernia to nerve entrapment, need a completely different pathway.
What broader myofascial research shows
Evidence base
27 RCTs
595 participants receiving ESWT
Pain (VAS)
−1.7 cm
mean difference vs control, 95% CI −2.2 to −1.1
Pressure pain threshold
+1.1 kg/cm²
95% CI 0.4 to 1.7
Function
SMD −0.8
95% CI −1.6 to −0.04
PMID 37205742
High heterogeneity. This is broader myofascial evidence, not direct abdominal-wall-specific proof.
Three levels of evidence
- Direct abdominal-wall data. A PubMed search combining shockwave terms with abdominal wall, rectus abdominis, oblique muscle, athletic pubalgia, core muscle injury or sports hernia returned lithotripsy, urology and other unrelated records, but no clinical trial of shockwave for abdominal wall muscle injury.
- Broader myofascial pain research. A 2024 meta-analysis of randomized trials provides the main clinical signal, and a 2025 scoping review describes its limitations.
- Broader skeletal-muscle and mechanistic research. Muscle-injury reviews and fibrosis models offer biological plausibility.
None of these levels produces an abdominal-wall-specific effect size.
The myofascial meta-analysis
A systematic review of randomized trials in myofascial pain found that ESWT reduced pain by an average 1.7 cm on a 10-cm visual analogue scale compared with control conditions and improved pressure-pain threshold and function. Heterogeneity was high, and ESWT was not clearly superior to several other active treatments.
The review included 27 randomized studies with 595 participants in the shockwave groups. Compared with control conditions, the mean difference in pain was −1.7 cm (95% CI −2.2 to −1.1), pressure pain threshold improved by 1.1 kg/cm² (95% CI 0.4 to 1.7), and function improved with a standardized mean difference of −0.8 (95% CI −1.6 to −0.04). No differences were found between shockwave and dry needling, exercise, injections or laser (Avendaño-López, 2024).
This is broader myofascial evidence, not abdominal-wall-specific proof. The review did not report results for the abdominal muscles specifically, and the anatomy of the abdominal wall, a layered muscle sheet over the abdominal organs, means those results cannot simply be transferred.
Why the protocols are hard to compare
A 2025 scoping review of shockwave for myofascial pain syndrome found significant inconsistencies in how the condition was diagnosed, how shockwave was applied and how long patients were followed. Many studies did not follow international shockwave society guidelines, energy settings and impulse counts varied, radial and focused devices were not always distinguished, and one-third of studies followed patients for two weeks or less. Despite those limitations, ESWT showed moderate to good efficacy compared with controls, but the authors concluded that methodological inconsistencies prevent definitive conclusions (Müller-Ehrenberg, 2025).
For the abdominal wall, that means there is no validated protocol to borrow. Settings, session numbers and expected effect all have to be judged conservatively.
Broader muscle-injury research
Broader skeletal-muscle research also supports ESWT as a promising adjunct after muscle injury, but direct abdominal-wall-specific effect sizes remain unavailable. A systematic review of eight studies involving 143 adults reported encouraging outcomes in individual studies, with only two randomized trials (Mazin, 2023). The details are covered in shockwave for chronic muscle injury and fibrosis.
What manual therapy can and cannot do
Manual treatment may improve local tissue mobility and trunk mechanics when the diagnosis is muscular or restricted soft tissue after injury. It should not be used as a substitute for medical evaluation when the problem may be a hernia, a nerve entrapment or a visceral condition.
In a rat model of repetitive overuse, manual therapy applied to the working forelimbs, including skin rolling, muscle mobilization and traction, prevented the inflammatory and fibrotic changes in nerves, muscles and tendons, and the sensorimotor declines, that developed in untreated working limbs (Barbe, 2021). That finding shows manual treatment can be biologically active in muscle and connective tissue. It was a preventive animal study in the forelimb, so it does not show that manual therapy changes injured human abdominal muscle.
Chronic abdominal wall pain is not assumed to be fibrosis or adhesion. When the exam finds restricted or sensitive soft tissue after a rectus or oblique injury, manual treatment may address the muscle, the overlying fascia, the lower rib and pelvic attachments and trunk mobility. It does not close a hernia, release a trapped nerve or substitute for medical evaluation of abdominal pain. The biology of persistent tissue changes is reviewed in muscle fibrosis after a strain, and Manual Adhesion Release may be part of the plan when the exam supports it.
When shockwave is not used
Shockwave is not a treatment for:
- An inguinal, umbilical, incisional or other hernia, whether confirmed or suspected
- Anterior cutaneous nerve entrapment syndrome (ACNES) or other nerve-related abdominal wall pain
- Any abdominal organ, or abdominal pain that has not been medically assessed
- A suspected significant tear or rectus sheath hematoma
- Pain during pregnancy
- Core muscle injury that has not been characterized by examination and, when needed, imaging
See abdominal muscle strain vs. hernia and core muscle injury and the rectus-adductor aponeurosis.
Safety over the abdomen
Shockwave over the abdominal wall requires careful anatomical selection and should only be applied to appropriate superficial musculoskeletal targets. Treatment is directed at accessible muscle and attachments, preferably over bone such as the lower rib margin or the iliac crest, with low energy and careful positioning. Shockwave is never directed through the abdominal wall toward the organs beneath it, and high-energy focused treatment is not aimed into the abdomen.
Who might be a candidate
The candidates are a narrow group: people with persistent, localized rectus or oblique muscle or myofascial pain whose medical screen is clear, in whom hernia, nerve entrapment, core muscle injury near the pubic bone and visceral causes have been considered, and whose symptoms have not settled with graded trunk loading. A typical complaint is a tender band of oblique muscle along the lower rib margin or iliac crest that is provoked by rotation months after a side strain.
Questions to answer first
- Is the presentation consistent with a mechanical source, with visceral causes addressed?
- Does Carnett's test point to the abdominal wall?
- Has a hernia been considered, with dynamic ultrasound if suspected?
- Does the pattern suggest ACNES or another nerve source?
- Has a structured trunk-loading program been tried?
- Is the target superficial, ideally over bone, and away from the abdominal organs?
What a session involves
When shockwave is used on the abdominal wall, sessions are short and use low energy on a carefully localized, superficial muscular target. Intensity is adjusted to tolerance, and trunk rotation, focal tenderness and loading tolerance are rechecked at follow-up visits. Because there is no abdominal-wall-specific protocol, the number of sessions is individualized and judged against progress. New abdominal pain, bruising, a bulge or worsening symptoms are a reason to stop and seek medical review.
Why the evidence gap matters
Without abdominal-wall-specific trials, nobody can say how much benefit to expect for this region, how many sessions are needed or which settings are best. That uncertainty is a reason to reserve shockwave for clear muscular diagnoses that have not responded to loading, to keep the target conservative, and to set expectations honestly.
Where treatment fits with rehabilitation
Rehabilitation is the foundation. It typically progresses from pain-free bracing and breathing to isometric trunk work, controlled flexion, rotation and side bending, anti-rotation exercise, loaded rotation and finally throwing, swinging, kicking or lifting. Manual treatment or shockwave, when used, supports that progression rather than replacing it.
How progress is judged
Progress is measured by function: comfortable coughing and sneezing, getting out of bed, trunk rotation and side-bending range, tolerance of lifting and sport-specific movement, and reduced focal tenderness. If those measures are not improving after a reasonable course, the diagnosis is revisited.
The bottom line
Shockwave may be considered for selected superficial abdominal-wall muscle or myofascial conditions after hernia, nerve entrapment, visceral disease and other competing diagnoses have been excluded. Direct abdominal-wall-specific evidence remains limited, so ESWT should be positioned as a selective adjunct rather than a default treatment for abdominal pain.
How Novo uses this evidence
We screen for medical causes, localize the pain with the examination and Carnett's test, consider hernia, nerve and groin sources, and arrange imaging or referral when needed. When a muscular problem is confirmed and loading alone has not been enough, manual treatment or radial shockwave on an appropriate superficial target may be added. See how we approach abdominal wall, oblique and rectus muscle pain.
References
- Avendaño-López C, Megía-García Á, Beltran-Alacreu H, et al. Efficacy of extracorporeal shockwave therapy on pain and function in myofascial pain syndrome: a systematic review and meta-analysis of randomized clinical trials. American Journal of Physical Medicine & Rehabilitation. 2024;103(2):89-98. PMID 37205742. (link)
- Müller-Ehrenberg H, Bonavita J, Sun Y, Stecco C, Giordani F. The state of extracorporeal shockwave therapy for myofascial pain syndrome: a scoping review and a call for standardized protocols. Life (Basel). 2025;15(10):1501. PMID 41157174. (link)
- Mazin Y, Lemos C, Paiva C, Amaral Oliveira L, Borges A, Lopes T. The role of extracorporeal shock wave therapy in the treatment of muscle injuries: a systematic review. Cureus. 2023;15(8):e44196. PMID 37767244. (link)
- Barbe MF, Harris MY, Cruz GE, Amin M, Billett NM, Dorotan JT, et al. Key indicators of repetitive overuse-induced neuromuscular inflammation and fibrosis are prevented by manual therapy in a rat model. BMC Musculoskeletal Disorders. 2021;22(1):417. PMID 33952219. (link)
