Extracorporeal Shock Wave Therapy (ESWT) may be the answer to deeper healing for you - because it works. Extracorporeal shockwave therapy (ESWT) can treat musculoskeletal injury by reducing pain and helping tissue to heal. ESWT can be applied to different parts of the body, such as the shoulder, the elbow, the spine and pelvis, or various muscles, tendons and ligaments - depending on the diagnosis and the severity of the symptoms