Physical therapists often use other techniques to help patient's achieve their rehabilitation goals. The use of ultrasound machines is a common practice in physical therapy. Ultrasound utlizes sound waves that are transmitted to the surrounding tissue and vasculature. They penetrate the muscles to cause deep tissue/muscle warming. This promotes tissue relaxation and therefore is useful in treating muscle tightness and spasms. The warming effect of the sound waves also cause vessel vasodilatation and increase circulation to the area that assists in healing.
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