Low-frequency electrotherapy
Kowarschik's galvanic treatment
"Suitable only for the treatment of limbs.This type of stable (i.e. fixed electrode), bipolar (i.e. two equal sized electrodes) and transverse (the flow of the current is perpendicular to the limb) galvanic treatment is mainly suitable for treating the nerve based pain in the lower limbs (lumbago, sciatica) and the upper limbs (called brachialgia)."