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          PURPOSE: A Transcutaneous Electrical Nerve Stimulator,
         or TENS, unit is designed to relive post-operative, acute
         and chronic pain. It is used for pain caused by peripheral
         nerves and not central. TENS units are prescription-only
         devices. 
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          OPERATION: TENS units work in a couple of ways. The first
         way they are thought to work is by a method called the Gate
         Theory. The Gate Theory states that our brains can only
         handle one stimulus at a time. When you have chronic pain,
         this pain signal is constantly being sent to our brains and
         recognized as pain. When an electrical stimulus is added to
         the area of pain, this electrical stimulus is felt by the
         body and since the brain can only handle one thing at a
         time, the pain is not transmitted to the brain. 
         
         The second method thought to be part
         of TENS units success is by way of stimulating our own
         bodies to release its own natural pain killers. TENS units
         do not work for everyone and results may vary. Always follow
         the instructions and warnings in your user manual.
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         How the TENS Pain
         Control Units Work
         
          Pain is the body's warning system.
         It is a way of letting an individual know that something is
         wrong. Transcutaneous Electrical Nerve Stimulations (TENS)
         is a safe non-invasive drug-free method of pain management.
         It relieves pain by sending small electrical impulses
         through electrodes placed on the skin to underlying nerve
         fibers. TENS is believed to work by two different
         mechanisms. First, electrical stimulation of the nerve
         fibers can block a pain signal from being carried to the
         brain. If the signal is blocked, pain is not perceived.
         Secondly, the body has its own mechanism for suppressing
         pain. It does this by releasing natural chemicals called
         endorphins in the brain which act as analgesics. TENS may
         activate this mechanism. By effectively managing pain
         without drugs, TENS allows many people with chronic pain
         conditions to resume daily activity. 
         
          
         
         You can not strain or sprain your muscles by overworking
         them with your electronic muscle stimulator system because
         the feeling is more like a pleasant tingling sensation than
         a shock or jolt. 
         
          
         
         However, the following should not use electronic muscle
         stimulators (EMS): 
         
         
            - If you are pregnant
            
            
 - If you use a pace maker
            
            
 - If you have metal plates or
            pins
            
            
 - If you have diabetes
            
            
 - If you have an abnormally high
            blood pressure
         
  
         
         Just as with starting any new
         exercise program, if in doubt, consult your
         physician. 
         
         Safety
         Precautions
         
         Pad Placement
         Chart
         
         Prescription
         Form
         
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