Ultrasound-guided percutaneous electrolysis (EPI). It is a versatile and minimally invasive technique used in various musculoskeletal pathologies. It consists of delivering current through a small needle positioned under ultrasound guidance in the target tissue, favoring the remodeling of the damaged skeletal segment and the reduction of painful symptoms. It can also be useful for freeing symptomatic scar adhesions at the muscular or musculotendinous level. Neuromodulation. It is a therapeutic technique that acts on the nervous system to correct or alleviate symptoms associated with chronic conditions, pain, movement disorders, and other medical conditions without the aid of drugs. It is used when conventional treatments are unsuccessful or when continuous use of drugs causes side effects.