Ultrasound Therapy in Physiotherapy Ultrasound therapy is one of the most used methods to reduces inflammation and pain by generating heat deep inside the body parts such as muscle, ligaments, tendons by physiotherapists. It is used by physiotherapists to treat their patients suffering due to injury such as a sprain, ligament tear, Osteoporosis, sports injuries, etc. Ultrasound therapy is performed with a machine that has an ultrasound transducer (sound head). A small amount of gel is applied to the particular body part; then the physiotherapist slowly moves the sound head in a small circular direction on your body. Ultrasound therapy machine is mostly used to provide a Deep Heating effect and Non - thermal effect. Deep Heating Effect of Ultrasound therapy Ultrasound therapy is often used to provide deep heating to soft tissue structures in the body. Deep heating tendons, muscles or ligaments increases circulation to those tissues, which helps speed up the healing process.