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Sound can pulverize a kidney stone, shatter glass, view into the body and even help a bat navigate a dark cave. Now the power of sound has reached new heights with extracorporeal shockwave therapy (ESWT) and is available in the Bay Area.

Piezowave Extracorporeal Shockwave Therapy with Dr Fields

Dr. Fields helping free-up the base of the neck using ESWT

Maybe you’ve used your joints, tendons and ligaments too hard mountain biking in Los Gatos, running a half marathon in San Jose or just living the tech Bay Area lifestyle. The result could be acute or chronic, overuse injuries. Shockwave therapy is a safe and effective solution to get rid of the pain and repair the damaged tissue.

With shockwave therapy, high energy acoustic (sound) waves are sent into the tissue. Normal tissue ripples like the waves made in water when you throw a stone into a pond. Scar tissue and calcified fibroblasts are brittle and they break in the wake of the pulsations and high energy micro bubbles that are released in the tissue. This allows for angiogenesis, or blood to come back into the area, and tissue regeneration to take place.  To even begin to break up scar tissue, before, I would have to bruise people with deep massage.  The Piezowave 2 is a better more comfortable option that goes deep into the cells of the tissue without the pain or bruises.

I’ve been a chiropractor for over 20 years in San Jose and Los Gatos and when giving chiropractic spinal adjustments people have often locked right back up again.  With extracorporeal shockwave therapy, joints stay more mobile and lubricated.


  • Reduce pain [23]
  • Aid in healing [26]
  • Re-establish blood flow [27]
  • Decrease muscle stiffness [24]
  • Increase tissue metabolism [25]
  • Stimulate collagen production
  • Diagnose and treat myofascial trigger points [29]
  • Help dissolve calcific fibroblasts & scar tissue [28]
  • Reduction of Substance P (a pain generating neurotransmitter) [23]
  • NOTE: Articles cited are just a few of many available on ESWT


Achilles Tendinopathy
Hip Pain (Bursitis)
Plantar Fasciitis
ITB Syndrome
Post Surgical Scar Tissue
Calcific Tendinitis Shoulder
Jumper’s Knee
Sacroiliac Joint Pain
Carpal Tunnel Syndrome
Lumbar Facet Syndrome
Tennis Elbow
Frozen Shoulder
Morton’s Neuroma
Texting Thumbs
Golfer’s Elbow
Neck Pain
TMJ Dysfunction

Normal Collagen Fibers

Normal flexible collagen fibers

Scar Tissue Fibers

Collagen with scar tissue


Let me start with my story. I have a history of a meniscus tear in my right knee that came from poor shoe/pedal mechanics on a 36 mile mountain bike ride up Mount Hamilton in San Jose in 1999.  This was an up and down climb with over 6,000 feet of elevation change. After the ride my knee locked up and an MRI confirmed a tear.
Since then I have had extensive physical therapy, chiropractic, 12 PRP injections, Prolozone, etc.. Yet, still, I have had daily pain since.

With a trip to Zion National Park on the books, and a fear of the intense canyoneering, I followed up on a suggestion to try extracorporeal shockwave therapy. Even though I had already had therapies that promised the breaking up of scar tissue, I still felt the machine breaking up scar tissue. Were the other treatments valid? I didn’t know but I knew this was doing something.

It was nine of my closest guy friends from the Bay Area and a lot of mountains to climb. Normally, I would be extremely flared up from something like this and I would avoid this kind of activity. To my astonishment, after 5 shockwave treatments with the Piezowave, I only felt a little sore. Since then, my knee is now 98% better.

Dr. Adam Fields at Angel's Landing in Zion National Park

Dr Fields at Angel’s Landing and knee-pain free after 5 visits with the Piezowave 2 ESWT.

So, I started sending my patients out for the treatment (13 in a 2 month period). The practice was thinning out because people were getting well. I had no choice but to buy a machine to help others. With the combination of over 20 years of chiropractic, deep rehabilitation experience and the Piezowave 2, we are now helping people like we never dreamed.

Old injuries, like mine, are now within reach and our people are being given their, feet [1, 2, 3, 4, 5, 6], elbows [7, 8, 9, 10], shoulders [11, 12], bones [13, 14, 15], knees [16,17], achilles tendons [18, 19], hips [20, 21, 22] and other parts of their bodies back again.

When analyzing which machine to help people with, we did a lot of research. We had reps come and use machines on us to experience, first hand, how they worked. There are four different ways to generated shockwaves for therapeutic use:
Piezowave ESWT machine at Dr Adam Fields' officeElectrohydraulic
Radial Pressure

Electrohydraulic, electromagnetic, and piezoelectric are legitimate extra-corporeal shockwave therapies (ESWT). The pulse created by these technologies breaks the speed of sound and creates a shockwave. Without going too in-depth, each of these three sends a wave that goes to a controlled depth with a controlled intensity. The treatment area is only at the depth that is desired.

Radial shockwave therapy is not specific and, from our experience, left us bruised and sore. The waves go deep but spread as they entered the body. When working on areas such as the junction of the ribs and the sternum, for example, this machine is not specific enough and waves go to unwanted areas. Also, the shockwaves generated are around 10 meters per second compared to the others which break the sound barrier at 1500 meters per second. Radial shockwave is, thus, considered a pressure therapy and not a true shockwave therapy.

The machine we will use on you, the Piezowave 2, has a greater ability to focus the sound waves to your injured tissue than any of the other technologies. This gives great benefit and yet requires us to have a knowledge of your injury and a deep understanding of the anatomy.

Your feedback when receiving the treatment is helpful and more accurate when receiving the care. When you feel a sensation or pain with the treatment, we will know that you are being treated in the right location and the discomfort you feel will not need anesthesia.

Piezoelectric is the best form of ESWT and the Piezowave 2…

  • Was made by the same company that makes the machines used to break up kidney stones.
  • Has multiple heads that allow us to do to the depth we need for your body part.
  • Piezoelectric means greater precision in your body.
  • Allows us to increase or decrease the intensity depending your individual needs.


  • While on antiplatelet pharmaceuticals
  • Over cancer
  • Pregnancy
  • Advanced stage Diabetes
  • Cortisone injections within 4 weeks of ESWT
  • Over an open growth plate until bone reaches full maturity
  • On top of open wounds or skin infection

Feel free to browse our site or give us a call to get started today (408) 274-2244

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  2. Perez M, Weiner R, Gilley JC: Extracorporeal shock wave therapy for plantar fasciitis. Clin Podi Med Surg. 2003, 20 (2): 323-34. 10.1016/S0891-8422(03)00002-8.View ArticleGoogle Scholar
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  16. Scholar van Leeuwen MT, Zwerver J, van den Akker-Scheek I: Extracorporeal shockwave therapy for patellar tendinopathy: a review of the literature. Br J Sports Med. 2009, 43 (3): 163-8.PubMedView ArticleGoogle Scholar
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  24. Lee JY, Kim SN, Lee IS, Jung H, Lee KS, Koh SE. Effects of extracorporeal shock wave therapy on spasticity in patients after brain injury: a meta-analysis. Journal of Physical Therapy Science 2014; 26(10): 1641-1647. [PMC free article] [PubMed]
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  26. Mittermayr R1, Antonic V, Hartinger J, Kaufmann H, Redl H, Téot L, Stojadinovic A, Schaden W.Extracorporeal shock wave therapy (ESWT) for wound healing: technology, mechanisms, and clinical efficacy.Wound Repair Regen. 2012 Jul-Aug;20(4):456-65. doi: 10.1111/j.1524-475X.2012.00796.x. Epub 2012 May 29.
  27. Bosch G1, Lin YL, van Schie HT, van De Lest CH, Barneveld A, van Weeren PR.Effect of extracorporeal shock wave therapy on the biochemical composition and metabolic activity of tenocytes in normal tendinous structures in ponies. Equine Veterinary Journal 39(3):226-31 · June 2007 with 17 Reads DOI: 10.2746/042516407X180408 · Source: PubMed
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  29. Hye Min Ji, Ho Jeong Kim, Soo Jeong Han. Extracorporeal Shock Wave Therapy in Myofascial Pain Syndrome of Upper Trapezius. Article (PDF Available) in Annals of Rehabilitation Medicine 36(5):675-80 · October 2012 with 110 Reads DOI: 10.5535/arm.2012.36.5.675 · Source: PubMed