It is a form of energy from mechanical vibrations. This energy propagates as longitudinal waves of compression and requires an elastic medium to be transmitted.
Ultrasonic treatment means the use of sound vibrations in the spectrum does not audibly, for therapeutic purposes.
Their use is documented from the thirties.
In the fifties widespread use as a new form of diathermy. Since the sixties, a pulse is introduced. Is employed as diathermy selective anti-inflammatory and analgesic.
In ultrasound therapy, also known as a therapy of the boundary surfaces.
This is because the effects of ultrasound occur more sharply between the limits of the tissues.
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