Explanation
•Both a positive and negative electrode are placed over the painful site within several inches of each other.
•The patient can control both voltage and pulsation.
•TENS has been shown to effectively relieve pain for many people.
•Transcutaneous electrical nerve stimulation (TENS) is a form of neuromodulation analgesia that safely administers low voltage electrical current to both deep and superficial nerves. It is used for chronic pain.