For calcific tendinitis of the shoulder, yes: it is one of the best-evaluated indications in shockwave medicine, with the certainty of evidence rated very low. For Achilles tendinopathy, the honest answer is that the evidence is inconclusive. A 2023 meta-analysis rated the Achilles evidence very low quality, and a 2021 placebo-controlled trial found no significant benefit over sham. For the calcific rotator cuff, pooled trials favor shockwave over sham at 24 weeks, high-energy beats low-energy, and in a small three-arm study, focused plus radial shrank the deposit most.
A calcium deposit and a sore Achilles are two different questions with two different answers. One answer for both is selling.
What the trials actually found, condition by condition
The calcific shoulder: one of the best-evaluated indications
A 2024 meta-analysis of 21 randomized trials found shockwave clinically better than sham for pain and function at 24 weeks. High-energy beat low-energy on pain and function and resorbed deposits completely at 12 weeks at more than twice the rate. Its limits: certainty of evidence very low, and image-guided needling of the deposit (barbotage) beat shockwave on pain. Focused and radial were equally effective in the pooled trials. In a small three-arm study of 45 patients, 15 per arm, given four weekly sessions, combined focused plus radial shrank the deposit most at 3 months. More on our calcific tendinitis page.
The Achilles: what the trials actually found
A 2023 meta-analysis found shockwave no more effective for Achilles pain than other conservative care and called the evidence very low quality and inconclusive. In a 2021 placebo-controlled trial, 66 people all did daily physiotherapy for 24 weeks; those who added four sessions of focused shockwave improved, but not significantly more than the sham group. A 2022 meta-analysis of 8 trials found physical modalities added to eccentric exercise no better than eccentric exercise alone at 4 weeks or at 12 to 16 weeks. Our Achilles tendinitis page covers the loading program.
Why we still run it for a chronic Achilles
Inconclusive is not negative. In the 2021 trial every group improved; the point-focused group gained most on the Achilles score, 23 points versus 15 for sham, but the difference was not significant, and elastography showed tendon adaptation in that group alone. So the use is narrow: a chronic Achilles stalled on a real loading program, focused ESWT as an adjunct, never instead. Loading’s good results in mid-portion disease were not replicated at the insertion, where a 2017 protocol registered a double-blind trial of low-energy shockwave added to loading.
What we run, and why it is built this way
Dynamic Shockwave+ is true focused ESWT plus EMTT every session, on Storz Medical equipment, with radial added when it makes sense: the combination that shrank deposits most in the small three-arm study. It is delivered by our trained clinical team under the training and supervision of Aneesh Garg, DO, CAQ, ISMST-certified and founder of the American Shockwave Training Institute, where other clinicians and physicians learn the method. Focal point and energy are set from his exam; shockwave is not ultrasound-guided. Most protocols run three to six sessions about a week apart, 15 to 20 minutes each, no downtime. Radial alone is not shockwave; in the pooled shoulder trials focused and radial were equally effective. Out of pocket; HSA and FSA funds typically apply.
When shockwave is not the answer
A clinic that offers shockwave should tell you when it is the wrong tool.
- An acute Achilles injury or a suspected tear
- An Achilles without a real loading program yet
- Shoulder pain with no deposit on imaging
- A deposit unchanged after a course: time for needling or a surgical opinion
- Anyone promised a fix: trials measure pain, function and deposit size
Before you book, ask
- Is the device focused or radial, and at what energy?
- Who performs it, and what is their shockwave training?
- What loading program runs alongside it?
The question to ask about a calcium deposit
Ask how large and dense the deposit is on imaging, and whether the plan includes follow-up imaging. A deposit that has not moved after a course means change the plan, not buy another.
Frequently asked questions
Does shockwave therapy work for Achilles tendinitis?
The honest answer is that the evidence is inconclusive. A 2023 meta-analysis of randomized trials found shockwave no more effective for Achilles pain than other conservative treatment and rated the evidence very low quality. In a 2021 placebo-controlled trial, everyone did daily physiotherapy and the groups who added four sessions of focused shockwave improved, but not significantly more than the sham group. A 2017 randomized trial even found two hyaluronan injections beat three sessions of standard shockwave for pain at 3 months. We use focused shockwave for a chronic Achilles that has stalled on a real loading program, as an adjunct to that program, with that expectation stated plainly.
Does shockwave work for calcific tendinitis of the shoulder?
Yes, and it is one of the best-evaluated indications in shockwave medicine. A 2024 meta-analysis of 21 randomized trials found shockwave clinically better than sham for pain and function at 24 weeks. High-energy shockwave beat low-energy on pain, function and complete resorption of the deposit at 12 weeks. A small three-arm study found combined focused plus radial shrank the deposit most, with no p-value reported in the abstract. The certainty of evidence was rated very low, so results vary, and a physician exam with imaging decides whether your shoulder fits.
Can shockwave break up calcification in the shoulder?
It can, and the dose matters. In pooled trials, high-energy shockwave produced complete resorption of the deposit at 12 weeks at more than twice the rate of low-energy shockwave. In a small three-arm study of 45 patients, deposit size fell in every group, and combined focused plus radial shrank it most. Dynamic Shockwave+ runs high-energy focused ESWT with radial added when it makes sense, a protocol choice rather than a trial result, and we use follow-up imaging to track the deposit rather than guessing.
What is the best treatment for calcific tendonitis?
No single treatment wins on every outcome. A 2025 network meta-analysis of 33 randomized trials ranked comprehensive physical therapy first for function, with high-energy shockwave plus physical therapy second, and ranked radial shockwave plus physical therapy first for pain relief. In a separate 2024 meta-analysis, image-guided needling of the deposit (barbotage) beat shockwave on pain. Surgery has no direct trial comparison with non-surgical care. The practical answer starts with a loading program, which the network meta-analysis ranked first for function, adds shockwave or needling for a deposit that does not move, and keeps a surgical opinion for the deposit that moves for neither.
How many shockwave sessions do I need for Achilles or calcific tendinitis?
Most protocols run three to six sessions spaced about a week apart, and the count is set at your evaluation, not from a menu. The trials give a sense of the range: four weekly sessions in the calcific shoulder trial, and four sessions over six weeks in the Achilles trial. For a deposit we use follow-up imaging to decide whether to continue. Each session takes about 15 to 20 minutes with no anesthesia and no downtime, so you walk out and go back to your day.
Is shockwave better than eccentric exercise for Achilles tendinopathy?
No. A 2022 meta-analysis of 8 trials compared eccentric exercise plus physical modalities with eccentric exercise alone and found no significant difference in pain or function at 4 weeks or at 12 to 16 weeks. That is why loading is the first prescription for an Achilles here, and shockwave is an adjunct for the tendon that has stalled on it. If you have not done a structured loading program yet, that is the step that most often buys back your running, and it costs you nothing but consistency.
Does shockwave work for insertional Achilles tendinopathy?
Less is known about the insertion than the mid-portion. Eccentric loading’s good results in mid-portion Achilles tendinopathy were not replicated at the insertion, and low-energy shockwave has been proposed as an addition there; a 2017 protocol registered a double-blind, placebo-controlled trial to test exactly that combination. Until results are published, we treat insertional disease the same honest way: a loading program adjusted for the insertion, focused ESWT as an adjunct when the tendon has stalled, and a clear statement that the evidence is still developing.
Where can I get focused shockwave for Achilles or calcific tendinitis in Colorado?
At Dynamic Athlete, 1790 30th St, Suite 270, Boulder, CO 80301. Dynamic Shockwave+ is true focused ESWT plus EMTT every session, on Storz Medical equipment, delivered by our trained clinical team under the training and supervision of Aneesh Garg, DO, CAQ, who is ISMST-certified and founded the American Shockwave Training Institute, where other clinicians and physicians learn focused shockwave. Radial pressure wave is added when it makes sense. The evaluation comes first, and we will say so if loading, needling or a surgical opinion is the better next step. Shockwave is out of pocket; HSA and FSA funds typically apply.
Find out which answer applies to your tendon
Same-week evaluations with Aneesh Garg, DO, CAQ. He examines the tendon, reviews your imaging, and tells you what fits.
Book an Evaluation
1790 30th Street Suite 270 · Boulder, CO 80301 · 303-997-1733