A TENS unit is a small device that delivers the current at or near your nerves to block or change your perception of pain. Healthcare providers use TENS to treat a range of conditions, including osteoarthritis, tendinitis and fibromyalgia. Generally, TENS is applied at high frequency (>50 Hz) with an intensity below motor contraction (sensory intensity) or low frequency (<10 Hz) with an intensity that produces motor contraction.

Understanding the Context

More recently, many TENS units use a mixed frequency mode which alleviates tolerance to repeated use. Some people use a transcutaneous electrical nerve stimulation (TENS) unit to treat pain. This device works by sending electrical impulses through the skin. Learn TENS machine (TENS unit) basics: what it does, side effects, safety tips, and advice to help you understand when movement-based rehab is needed.

Key Insights

TENS stands for transcutaneous electrical nerve stimulation. TENS is a type of pain-relief therapy that uses low-voltage electrical current. TENS machine (TENS unit): how it works and side effects | Sword Health TENS Unit for Pain Relief: What It Is and How It Works - GoodRx Transcutaneous electrical nerve stimulation, known by its acronym TENS, is a modality that uses electric current to activate nerves in order to decrease pain. The TENS unit is a small device, often battery-operated, which can sometimes even fit into a pocket. The TENS unit gives a therapeutic dose of electricity to your body.

Final Thoughts

The higher you turn it up, the more intense the feeling will be and the more pain relief you will get.