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Professionally endorsed

Digital TENS: What It Is, How It Works, & Benefits

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Transcutaneous Electrical Nerve Stimulation (TENS) is a method of pain relief that uses a battery-operated device and electrode pads. The term “digital” in digital TENS refers to the advanced technology that allows precise control over the settings. It works by blocking pain signals from reaching the brain and triggering the release of endorphins. The benefits include being drug-free, non-invasive, and customisable settings. Additionally, digital devices are portable, making them convenient for use anywhere.

Traditional analogue TENS devices deliver electrical impulses for pain relief using basic technology. However, they offer limited control over settings like intensity and frequency, making it challenging to customise treatment. Additionally, users may find it difficult to achieve optimal pain relief due to this lack of precision. Fortunately, TENS digital devices have overcome these limitations with their advanced technology. This article will present TENS digital units, including their mechanism of action and benefits.

What is a Digital TENS Unit?

A digital TENS machine is a portable tool specifically for alleviating pain symptoms. This medical device delivers low-voltage electrical currents to specific areas of the body through electrode pad placement. Moreover, it is a compact and portable unit that is easy to use. Usually, it includes a control unit housing the power source, settings, and display.

Digital devices offer a range of features and settings. They often have several preset program modes that target specific types of pain or body area. These modes make it easier for users to find effective symptomatic relief without manually adjusting the settings. Nevertheless, experimenting with different settings can help find the most optimal results.

Furthermore, modern TENS machines come in two types: standard and wireless. A standard electrotherapy unit uses traditional lead wires or cables to connect the control unit to the electrode pads. On the other hand, a wireless TENS machine utilises Bluetooth technology to modulate the stimulation from a smartphone. Both types work in the same way but with different ways of operating.

Features of the Device

  • Pulse generator: The compact unit that generates electrical impulses.
  • Adjustable settings: The TENS machine has customisable pulse rates, pulse width, and intensity.
  • Self-adhesive electrode pads: These slim, lightweight patches transmit the electrical pulses from the generator to the skin. They have an adhesive side that attaches to the skin without harming or leaving permanent marks on the surface.
  • Liquid Crystal Display (LCD): Displays essential information, such as the selected stimulation mode, intensity level, and timer. It allows for easy navigation and usage tracking.
  • Preset modes: Built-in programs with fixed parameters for specific types of pain or conditions.

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How a Digital TENS Unit Works

A digital TENS machine delivers electrical currents through the skin and targets the sensory nerve endings. This stimulation activates the pain relief mechanisms of the body. Firstly, nerve stimulation disrupts the transmission of normal pain signals by closing their pathways in the spinal cord. This hinders them from reaching the brain, resulting in temporary pain relief.

Secondly, it triggers the production of endorphins. These hormones function as natural pain relievers by blocking nerve cells from transmitting pain signals to the brain. Additionally, the electrical stimulation dilates blood vessels and boosts circulation. The increase in blood flow helps to reduce inflammation and tense muscles that contribute to pain. This also promotes the faster healing of damaged nerves and tissues from injury.

Lastly, the intensity levels are adjustable according to personal preference and pain tolerance. Users can find the right balance between pain relief and comfort by adjusting the settings. It is essential to note that a TENS machine should not be used on open wounds, broken skin, or areas with reduced sensation.

Main Theories at Work

People interested in TENS must understand its main theories at work. Electrical nerve stimulation revolves around the pain gate mechanism. According to the Gate Control Theory, the TENS device sends electrical pulses that stop pain messages from reaching the brain. Stimulating the large A-beta fibres, which transmit non-painful touch and vibration sensations, can help with this effective method.

Also, TENS promotes endorphin production. Endorphins bind to opioid receptors in the brain and spinal cord, reducing pain perception. This mechanism stimulates the larger nerve fibres through the electrical currents. Then, this can override the sensation of pain from other areas.

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Benefits of Using a Digital TENS Unit

Using a digital TENS machine offers numerous benefits for pain management. One of the main benefits of TENS therapy is the ability to relieve pain and discomfort without using medications. The natural approach makes it a safe alternative for people with allergic reactions to medicines. It also helps minimise the risk of developing tolerance or dependence on painkillers.

Moreover, TENS machines are lightweight, discreet, and non-invasive. They are portable and easy to use, allowing individuals to manage their pain at home or on the go. The user-friendly design and preset modes make it simple to find the right combination of settings for effective relief. Users can conveniently monitor their treatment using a clear LCD display or a smartphone app.

Furthermore, digital units are known for their versatility. The customisable settings enable individuals to manage various types of pain. It also helps in tailoring the therapy according to specific needs. Incorporating TENS into the pain management routine can help improve the quality of life.

What Can be Treated?

TENS offers comprehensive pain relief as it can help treat a wide array of conditions. It is often used for chronic pain, including arthritis, back pain, and fibromyalgia. These conditions typically manifest persistent or intractable pain symptoms. With the use of a TENS machine, people can manage their conditions without fear of long-term side effects.

A TENS machine is also beneficial for post-traumatic or post-surgical acute pain, period pain, muscle spasms, and labour pain. These are conditions that are sudden and short-lived. The symptoms often subside after the initial trauma or event has passed. However, they may require immediate relief that TENS can promptly deliver.

Conclusion

In conclusion, a digital TENS unit is a modern tool for easing pain. Unlike analogue versions, it offers precise control and preset modes for different types of discomfort. By sending electrical pulses through the skin, it blocks pain signals, boosts endorphin production, and improves blood flow for faster healing. Users can adjust the settings to their liking for the most comfortable relief. However, it is essential to use it carefully, avoiding open wounds or areas with reduced sensation.

Using a TENS digital unit offers several benefits. It provides relief without the need for medications and invasive procedures. Additionally, its lightweight, discreet design makes it easy to use anywhere, enhancing convenience for users. Also, the versatility of digital units allows for tailored therapy, catering to various types of pain and individual needs. Moreover, TENS therapy can address chronic conditions like arthritis and fibromyalgia, as well as acute pain from injuries or surgeries.

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