Electro-therapy is a treatment of electrotherapeutics.

The natural conductivity of the human body is used to strengthen and to stimulate muscles and nerves with electrical power.

Stimulation current is also used to treat muscle stiffness, pain and circulatory disorders.

A special kind of Electro-therapy is the Transcutaneous Electrical Nerve Stimulation (TENS) that is often used to treat neuralgia or persistent muscle tenseness.