Ultrasound Therapy: Continuous Ultrasound & Pulsed Ultrasound

Continuous and pulsed therapeutic ultrasound are two different types of ultrasound therapy used in physical therapy and rehabilitation to relieve pain and promote healing. The physiological effects of each type of ultrasound therapy can vary depending on the individual and the specific condition being treated, but some common effects include:

Continuous Ultrasound:

1. Increased Blood Flow: Continuous ultrasound increases blood flow to the affected area, promoting healing and reducing inflammation.
2. Improved Tissue Healing: Continuous ultrasound can improve tissue healing by increasing the delivery of oxygen and nutrients to the affected area.
3. Reduced Pain: Continuous ultrasound can help relieve pain by blocking pain signals from reaching the brain and by stimulating the release of endorphins, the body’s natural pain-relieving chemicals.

Pulsed Ultrasound:

1. Improved Tissue Healing: Pulsed ultrasound can improve tissue healing by increasing the delivery of oxygen and nutrients to the affected area.
2. Reduced Inflammation: Pulsed ultrasound can help reduce inflammation by decreasing the release of pro-inflammatory chemicals.
3. Increased Range of Motion: Pulsed ultrasound can increase range of motion by relaxing tight or spastic muscles.
4. Improved Muscle Strength: Pulsed ultrasound can improve muscle strength by stimulating muscle contractions.

How Does Ultrasound Therapy Help My Condition?

Heat Generation: TUS generates heat in the tissues, which can increase blood flow and promote healing. Cavitation: TUS creates small gas bubbles in the tissues that rapidly expand and collapse, producing a cavitational effect. This can help to reduce pain and swelling, improve tissue elasticity, and promote healing. Mechanical Stimulation: TUS can produce mechanical vibrations in the tissues, which can help to improve circulation, reduce pain and swelling, and promote healing. Acoustic Streaming: TUS can generate low-level currents in the tissues, which can help to improve circulation and promote healing. It’s important to note that the effects of ultrasound therapy can vary depending on the individual and the specific condition being treated, and that ultrasound therapy should only be used as part of a comprehensive treatment plan under the supervision of a licensed healthcare provider.

References

Continuous Ultrasound:

1. Journal of Physical Therapy Science in 2016 found that continuous ultrasound was effective in reducing pain and improving range of motion in patients with shoulder impingement syndrome.
2. Journal of Hand Therapy in 2012 found that continuous ultrasound was effective in reducing pain and improving hand function in patients with hand osteoarthritis.
3. Journal of Back and Musculoskeletal Rehabilitation in 2011 found that continuous ultrasound was effective in reducing low back pain.

Pulsed Ultrasound:

1. Journal of Physical Therapy Science in 2017 found that pulsed ultrasound was effective in reducing pain and improving range of motion in patients with knee osteoarthritis.
2. Journal of Electromagnetic Analysis and Applications in 2013 found that pulsed ultrasound was effective in reducing pain and improving function in patients with chronic musculoskeletal pain.
3. Journal of Physical Therapy Science in 2014 found that pulsed ultrasound was effective in reducing pain and improving range of motion in patients with shoulder impingement syndrome.