Ultrasonic Therapy
Ultrasound therapy (US) is the use of sound waves above the range of human hearing12 to treat injuries like muscle strains or runner’s knee. It is mostly used by physical therapists and has been one of the Greatest Hits of musculoskeletal medicine since the 1950s.34 There are many flavors of therapeutic ultrasound, using different intensities and frequencies of sound, but all share the basic principle of “stimulating” or even provoking tissue5 with sound waves above the range of human hearing. Vibration therapy, in other words.
