How Does It Work?
Ultrasound therapy works by converting electrical energy into sound waves with frequencies beyond human hearing (typically 1-3 MHz). These waves create microscopic vibrations in the tissues they penetrate.
As these vibrations occur, they generate mild heat within the tissue (thermal effect) and create tiny gas bubbles that expand and contract (non-thermal effect). The thermal effect increases blood flow and tissue extensibility, while the non-thermal effect promotes healing by altering cell membrane permeability and stimulating cellular repair processes.
The depth of penetration varies based on the frequency used, lower frequencies (1 MHz) penetrate deeper tissues like joints and muscles (up to 5 cm), while higher frequencies (3 MHz) are ideal for more superficial tissues like tendons and ligaments (1-2 cm deep).
Types/Variations We Offer
Continuous Ultrasound: Delivers uninterrupted sound waves, ideal for chronic conditions needing increased blood flow.
Pulsed Ultrasound: Delivers intermittent sound waves that minimize heat generation, suitable for acute injuries and inflammation.
Phonophoresis: Combines ultrasound with topical medications to enhance drug delivery to specific tissues.
Conditions Treated
Advantages & Expected Benefits
Enhanced tissue healing and repair through improved cellular function
Increased local blood circulation to injured areas
Reduced pain and muscle spasms through nerve modulation
Decreased inflammatory response in acute injuries
Improved extensibility of collagen fibers, particularly in tendons and scar tissue
Accelerated reabsorption of calcium deposits in conditions like calcific tendinitis
Potential Risks & Short-term Side Effects
Temporary increase in pain or discomfort during or after treatment (typically subsides within 24 hours)
Mild skin irritation or redness at the treatment site
Low-level thermal injury if the ultrasound head is kept stationary too long (rare with proper technique)
Contra-Indications / Precautions
This treatment may not be suitable for individuals with:
- •Directly over metal implants, pacemakers, or other electronic devices
- •Areas with active infection, bleeding, or thrombophlebitis
- •Cancerous or precancerous tissues
- •Directly over the abdomen during pregnancy
- •Over growth plates in children
- •Directly over the eyes, reproductive organs, heart, or brain
- •Areas with impaired sensation or circulation
What to Expect in a Session
Initial Assessment: Before treatment, your physiotherapist will assess your condition and determine if ultrasound therapy is appropriate.
Area Preparation: The treatment area will be exposed, and a conductive gel will be applied to ensure efficient sound wave transmission.
Treatment Application: The ultrasound transducer will be moved in slow, circular motions over the affected area. You'll feel the smooth head of the device but typically won't feel the sound waves themselves.
Duration: Sessions typically last 5-10 minutes per treatment area, depending on the size of the region and specific condition.
Sensation: Most patients feel a mild warming sensation or gentle pressure. The treatment should never be painful, inform your therapist immediately if you experience discomfort.
Frequency: Your physiotherapist will recommend a treatment schedule based on your condition, typically 2-3 times weekly for 2-6 weeks.
Evidence & Clinical Guidelines
Frequently Asked Questions
Is ultrasound therapy painful?
No, ultrasound therapy should not be painful. Most patients experience either no sensation or a mild, pleasant warming feeling in the treatment area. If you feel any discomfort during treatment, immediately inform your physiotherapist so they can adjust the settings or technique.
How many ultrasound therapy sessions will I need?
The number of sessions varies based on your specific condition and its severity. Acute conditions are typically treated 2-3 times weekly to begin with, and chronic conditions generally need longer. It is reviewed as you go rather than booked as a course. Your physiotherapist will assess your progress regularly and adjust the treatment plan accordingly.
How soon will I notice results from ultrasound therapy?
Some people report mild pain relief immediately after treatment, and the effects are cumulative, so change generally builds over a course rather than arriving at once. Ultrasound therapy works at the cellular level to promote healing, which takes time. The effects are often cumulative, with greater improvements noticed as the treatment course progresses.
Is ultrasound therapy used alone or combined with other treatments?
Ultrasound therapy is typically part of a comprehensive treatment approach. It's often combined with other interventions such as therapeutic exercises, manual therapy, and education to maximize outcomes. Your physiotherapist will design a personalized treatment plan that may include multiple complementary therapies.
Are there any special preparations needed before an ultrasound therapy session?
No special preparation is required. Wear comfortable clothing that allows easy access to the treatment area. Avoid applying lotions or oils to the area before treatment, as these may interfere with the ultrasound gel. Metal jewelry near the treatment area should be removed.
Can everyone receive ultrasound therapy?
No, ultrasound therapy isn't suitable for everyone. Contraindications include pregnancy (when treating over the abdominal area), implanted metal or electronic devices in the treatment area, active cancer, infections, and certain vascular conditions. Always provide your physiotherapist with a complete medical history to ensure safe treatment.
Need More Information?
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Medically Reviewed
This content was reviewed for medical accuracy by Dr. Surabhi Bansal, BPT, MPT (Ortho) with 14+ years of clinical experience.
At Modern Physio, all medical content undergoes a thorough review process to ensure accuracy and alignment with current physiotherapy standards. Our content is created to educate and should not replace professional medical advice. Learn more about our review process.
Real Reviews From Our Patients
Verbatim reviews from patients treated at Modern Physio, sourced from Google and Practo.
I had a frozen shoulder problem for 8 months. I couldn't lift my hand straight and couldn't sleep at night due to pain. Dr. Surabhi diagnosed it clearly in the first session itself and started shoulder mobilization exercises along with ultrasound therapy. There was almost 80% improvement in 12 sessions. Now I can lift my hand without any pain. I got the best treatment for frozen shoulder in Jaipur at Modern Physio, Vaishali Nagar. Thanks to Dr. Surabhi you are such a kind and experienced doctor I have ever met.
I was diagnosed with calcific tendinitis in my right shoulder — calcium deposits causing excruciating pain, especially at night. My orthopedic suggested waiting or injections. I wanted to try physio first. Dr. Surabhi at Modern Physio was very familiar with this condition — she used therapeutic ultrasound specifically targeting the calcium deposits along with specific shoulder exercises. The night pain reduced within 10 days which was a huge relief. I didn’t need the injection in the end. Very knowledgeable doctor for complex shoulder conditions in Jaipur.
Plantar Fasciitis / Heel Pain I had terrible heel pain every morning and could barely walk the first few steps after waking up. Dr. Surabhi diagnosed it as plantar fasciitis and started me on a targeted physiotherapy program. Ultrasound therapy, stretching, and custom exercises made a big difference. If you are looking for heel pain treatment in Jaipur, Modern Physio is the place to go.
I consulted Doctor Surabhi for my recurring ankle sprain (ligament issue) coming from sports. She treated it with electro therapy, IR and ultrasound. The results have been good so far and the swelling has gone. Now we are moving to the strengthening phase and she has given me a detailed one month plan before I get back to sports.