Ultrasound therapy is one of the commonly used electrotherapy modalities in physiotherapy. It uses high-frequency sound waves (beyond human hearing range) to produce thermal and non-thermal effects in tissues, which help in healing and pain relief. Here’s the role it plays in physiotherapy treatment: 1. Pain Relief 2. Tissue Healing 3. Reduction of Inflammation & Swelling 4. Breakdown of Scar Tissue & Adhesions 5. Muscle Relaxation 6. Specific Clinical Uses