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Ultrasounds are mechanical waves with a frequency higher than humans can hear (approximately 20,000 Hz). When applied to biological tissue, they can cause significant changes in cells and tissues, raising the temperature and creating micro-vibrations.


In physiotherapy, ultrasound has been used since the 1940s. It operates at therapeutic frequencies of 1 to 3MHz and has 2 to 5cm ultrasonic wave emitting heads. They penetrate the body through the surface of the skin, which they penetrate.

They are indicated for the treatment and cure of many diseases, such as arthritis, chronic polyarthritis, short pain, contractions, injuries - distortions of the joints, epicondylitis, periarthritis, myalgias and neuralgia, cervical syndrome, low back pain, low back pain.


Ultrasound has helped physiotherapy in resolving many pathological neurological but mainly orthopedic conditions. They are an extremely effective technique with beneficial action, as they cause muscle relaxation and analgesia, improve oxygen circulation inside the muscle, increase metabolism and muscle nutrition, resolve adhesions and muscle spasms, heal cells, improve mobility joints, fracture healing, increase soft tissue elasticity and better absorption of drugs.

Ultrasound without thermal effect is used to reduce swelling caused by inflammation, muscle injuries, fractures and after surgery (eg arthroscopy or arthroplasty).

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