what is a tens unit used for
TENS stands for (Transcutaneous Electrical Nerve Stimulation). which are predominately used for nerve related pain conditions (acute and chronic conditions). TENS machines works by sending stimulating pulses across the surface of the skin and along the nerve strands.ENS stands for (Transcutaneous Electrical Nerve Stimulation). which are predominately used for nerve related pain conditions (acute and chronic conditions). TENS machines works by sending stimulating pulses across the surface of the skin and along the nerve strands.