Pain is the body's warning system. It is a way of letting an individualknow that something is wrong. Transcutaneous Electrical Nerve Stimulations (TENS) is a safe non-invasivedrug-free method of pain management. It relieves pain by sending small electrical impulses through electrodes placed on the skin tounderlying nerve fibers. TENS is believed to work by two different mechanisms. First, electrical stimulation of the nerve fibers can block a pain signal from beingcarried to the brain. If the signal is blocked, pain is not perceived. Secondly, the body has its own mechanismfor suppressing pain. It does this by releasing natural chemicals called endophins in the brain which act as analgesics. TENS mayactivate this mechanism. By effectively managing pain without drugs, TENS allows many pople with chronic pain conditions to resume daily activity. All our Healthronic systems come with the added benefit of TENS/contineus mode. The Healthronic EMS system can be used for treatment of Back Pain, Lumbado, Sciatica, Tension, Headache, Tennis Elbow, Sports strains and sprains, Damaged Ligaments and all muscle related injuries.