Electrical muscle stimulation - Wikipedia
https://en.wikipedia.org/wiki/Electrical_muscle_stimulationElectrical muscle stimulation can be used as a training, therapeutic, or cosmetic tool. In medicine, EMS is used for rehabilitation purposes, for instance in physical therapy in the prevention muscle atrophy due to inactivity or neuromuscular imbalance, which can occur for example after musculoskeletal injuries (damage to bones, joints, muscles, ligaments and tendons). This is distinct from transcutaneous electrical nerve stimulation (TENS), in which an electric curre…