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TENS Electrodes

TENS Therapy can be a drug free avenue to find pain relief. Upon consulting with a Physician or physical therapist, a TENS treatment regimen is easy to begin thanks to OTC Wholesale. Every device you need to get started is available including battery chargers, batteries, adapters, skin barrier wipes, treatment lotions, prep lotions, and replacement wires. As such, it is possible to find pain relief from the comfort of your own home. Transcutaneous electrical nerve stimulation (TENS) uses a small device to jolt the body with an electric signal that causes the brain to block pain receptors while also promoting the production of endorphins. Many uses find pain relief from various medical issues such as muscle and joint problems. Those with chronic illnesses such as fibromyalgia and osteoarthritis also often can receive benefits from TENS treatment.

Silver electrodes provide a better experience than carbon electrodes due to their ability to spread the surface area of the treatment. This forms a much better connection between the device and the body. As such, OTC Wholesale provides the absolute best prices on Silver Electrodes. Electrodes are available with both Mesh and Foam backings. Foam backings work well if you are combining TENS treatment with hot and cold treatments whereas mesh backings are more flexible to work with. OTC Wholesale offers the best quality brands and products and low prices. Whatever you need you will be able to find here. Explore a wide selection of TENS unit accessories to find the product that suits your needs.

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      Axelgaard PALS 2 x 2 in Square Silver Electrodes - 4 Pads
      Retail Price: $19.95
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      Garmetrode Electrode Back with 4 electrodes - Model Back4
      Retail Price: $85.95
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      TENS Unit Electrode Pads, White Cloth Backed, 2 x 2 Square - 4 Pads
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      Garmetrode, Electrode Glove - 1 ea
      Retail Price: $98.95
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      You Save: $18.96 (19%)


      Answers to your TENS Unit Questions

      Why use Silver Electrodes instead of Carbon Electrodes?

      Silver Electrodes refer to carbon electrodes that include a thin layer of silver between the pad and the backing where the actual wire connection is made. This silver forms a better connection between the wire lead and the electrode, and distributes the electricity more uniformly across the pad. Silver Electrodes are slightly more expensive to produce, but they are substantially more effective at delivering the electrode stimulation treatment to the affected site.

      Results of a dispersion test on Silver Electrodes vs. Carbon Electrodes will show a much greater dispersion area with more intensity on the silver coated electrode.

      Silver Electrode Dispersion Test

      Our silver electrodes also use copper lead wires with special heads that help promote greater dispersion and prevent the wire from pulling out. You simply cannot buy a better TENS Unit Electrode!

      Whether you are using a TENS unit, Muscle Stimulator, Interferential unit or a Galvanic unit, you will get a lot more out of it using silver coated electrodes.

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      What is the advantage of foam backed electrodes?

      Many clinical therapists recommend foam backed electrodes when the treatment is combining hot and cold therapies with electrode stimulation. The foam backing repels moisture created by the treatment and adds insulation between the external therapy and the electrode pad. Many of our customers prefer the foam backed electrodes for their smooth touch and flexibility, though they are somewhat more high profile than the mesh backing. Mesh or cloth backing is generally slightly more flexible than their foam backed counterparts.

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      What type of gel do you recommend?

      We select all of our electrodes from reputable suppliers and most of our electrodes feature a brand name or an American made gel for maximum reusability. This adds a slightly higher cost to the manufacturing process and to the price of the electrodes. There are less expensive electrodes available using a foreign made adhesive and we are currently testing their reusability to make sure it meets our standards. Some of our economy electrodes use a foreign made gel and feedback has been very good.

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      How do I properly care for my electrodes for maximum use?

      We recommend that you purchase our Essential TENS Care kit with your electrodes. View this short video describing the proper care and usage of your electrodes:

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      What is TENS?

      Transcutaneous Electrical Nerve Stimulation (TENS) is a non-invasive, drug free method of controlling pain. TENS Units use tiny electrical impulses sent through the skin to stimulate the nerves and modify pain perception. The main use of a TENS machine is for pain relief, particularly in the case of chronic pain. It is most often used for joint or muscle pain that won't go away, but can also be used to help treat nerve problems without resorting to drugs. It isn't uniformly effective. Different people will have different results. For some, TENS electrical pulses interrupt the pain signals so effectively that they are literally without pain. Others may experience different levels of relief. However, in most cases, there will be some degree of relief from chronic pain. The TENS Unit overrides the pain signal by "tricking" the brain into thinking there is no pain. TENS Units use nerve stimulation to provide relief from back pain, foot pain, shoulder pain, neck pain and virtually any other acute or chronic pain.

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      How does a TENS Unit help pain?

      Two small electrodes are placed on either side of the area where the pain originates. The higher frequencies tend to block the pain signals, while much lower frequencies will stimulate the body to produce endorphins which naturally reduce pain. When the TENS Unit overrides the pain signal, it "tricks" the brain into thinking there is no pain. TENS Units use nerve stimulation to provide relief from back pain, foot pain, shoulder pain, neck pain and virtually any other acute or chronic pain.

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      What is the difference between TENS and Muscle Stimulation?

      The main difference between the two is that a muscle stimulator is used to cause muscle contraction, while TENS focuses on nerve stimulation and tries to avoid contracting the muscles. Both use electrical pulses to do their job, but have different purposes. Muscle Stimulation is a very similar machine to the TENS, also using two electrodes to send electrical pulses through the body. However, the purpose is quite different. Here, the purpose is to cause the muscles to contract and the reasons have nothing to do with pain relief.

      Both TENS machines and muscle stimulators have their uses, but they are very different in their reasons for being used. If you are looking for an alternative to standard pain relief, then the TENS machine is what you should be looking at. However, for the prevention of atrophied muscles and to define specific muscle groups, the muscle stimulator is the way to go.

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      What is does Single, Dual or Quad Channel mean?

      Generally, the TENS or muscle stimulator signal is between two electrodes or on a single channel. Therefore, the user can apply electrode stimulation to one site per channel. A dual channel device allows for stimulation in two locations using 4 electrodes and a quad channel device can use up to 8 electrodes. It is not necessary to use all of the channels available on a device, but each channel requires a pair of electrodes.

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      What are TENS Modes?

      The modes of the device refer to preset stimulation effects with changes to pulse rate, pulse width, modulation, frequency and sometimes amplitude. These modes are sometimes programs that start off at a certain rate and then proceed to other modes of stimulation. The purpose of these modes are to help the user quickly and effectively apply a therapy that is suitable for an individual complaint. Stimulation can be very specific to an area of the body and the cause of the pain. For instance, the Ultima 20 mode device has specific mode setting for Neck, Torticollis, Low Back, Sciatica, Epicondylitis, Wrist Pain, Post-Surgery knee pain, Ankle sprain, Knee pain, Hip pain, Menstrual pain, and Neuralgia, as well as, 8 additional preset modes.

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      How are IF Units and Galvanic Units different from TENS Units?

      Interferential Stimulation differs from TENS because it allows a deeper penetration of the tissue with more circulation and comfort. Interferential Stimulator (I.F. Unit) is used to treat, relieve and manage chronic pain. It can also be used as adjunctive treatment in the management of post surgical and post traumatic acute pain. Interferential Units provide deeper stimulation that traditional TENS Units.

      Interferential Stimulators are a low frequency treatments with the transmission of pain messages at the spinal cord level. It stimulates underlying nerves producing a mild, tingling sensation to provide relief from chronic and acute pain. Interferential is used for very localized areas where deep current for pain control or increased circulation is needed.

      Galvanic stimulation is most useful in acute injuries associated with major tissue trauma with bleeding or swelling. In contrast to TENS and IF units, which apply alternating current, galvanic stimulators apply direct current. High-voltage Pulsed Galvanic Stimulation (HVPGS) is being used for wound healing, edema reduction and pain relief carpal tunnel syndrome and diabetic neuropathy are examples of where galvanic stimualation is used. Direct current creates an electrical field over the treated area that, theoretically, changes blood flow. The positive pad behaves like ice, causing reduced circulation to the area under the pad and reduction in swelling. The negative pad behaves like heat, causing increased circulation, reportedly speeding healing.

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      Transcutaneous Electrical Nerve Stimulation (TENS)

      TENS is a non-invasive, drug free method of controlling pain, which uses tiny electrical impulses sent through the skin to nerves in order to modify your pain perception. In most people it is effective in reducing or eliminating the pain.

      Electronic Muscle Stimulation (EMS)

      EMS works by sending electronic pulses to the muscle(s). This is achieved by sending low frequency electric pulses through muscle tissue causing them to gently contract. In this way the muscles are passively exercised and blood flow is increased

      Galvanic Stimulators

      Galvanic Stimulators use direct current, which creates an electrical field over the treated area. The positive pad works like ice, causing reduced circulation to the area under the pad. The negative pad works like heat, causing increased circulation.


      IF sends small comfortable electrical impulses through your skin to work on deeper tissue stimulation. The sensation works to prevent pain signals from reaching the brain.


      Infrared Light Therapy help the body by delivering specific light waveforms that increase circulation. Increasing circulation helps promote healing, lessen swelling, and helps in reducing pain.


      Portable Ultrasounds give advanced pain relief using sonic stimulation of soft tissue cells. They generate pulsed, high frequency sound waves, which travel deep into the tissue, generating vasodilation. This helps increase blood flow to the treated area.


      Russian stimulation uses medium frequencies to provide stimulation to muscle groups. This is used to reduce muscle spasms as well as for muscle strengthening. This method was created to produce maximal muscle strengthening effects.

      Micro Current

      Microcurrent Therapy uses extremely small amounts of electrical current (millionths of an amp) to help relieve pain and heal soft tissues of the body. The electrical current used in Microcurrent Therapy is so small that it is rarely felt.