Ultrasound diathermy “Ultrasound can control inflammation, improve collagen elasticity, and deliver medication to selected tissues. Electromagnetic diathermy is an alternative to ultrasound for alleviating muscle or joint contractures, muscle spasm, and pain.” What Ultrasound Diathermy Used For? Musculoskeletal Sprains Strains Muscle Spasms Joint Contractures Or Adhesions Neuromas