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AU Registered Medical Device
12-month warranty
Same day dispatch
Professionally endorsed

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TENS Unit for Sore Muscles: How to Operate the Device to Alleviate Discomfort

A man holding his nape and lower back

Transcutaneous Electrical Nerve Stimulation or TENS unit for sore muscles is a portable device that can alleviate discomfort. It triggers the pain gate mechanism and releases endorphins, which are natural painkillers. To operate this device, start by cleaning and drying the skin where the electrodes will be placed. Then, carefully position the pads on the skin. Next, turn on the device and adjust the settings. This simple process can provide relief and help ease the pain caused by sore muscles.

Sore muscles result from exertion or strain during physical activities. They hinder daily life by causing discomfort, reducing mobility, and affecting productivity. Tasks like walking or lifting become challenging. The pain can range from a dull, persistent ache to sharp discomfort. One of the alternative solutions to alleviate pain is through TENS therapy. This article will explain the functionality and proper usage of a TENS device for sore muscles, as well as provide safety guidelines.

How a TENS Unit for Sore Muscles Alleviate Pain

A TENS unit for sore muscles is a tool that delivers low-voltage electrical pulses to alleviate discomfort. It is a pain management tool popularly used by pain clinics, health professionals, and physical therapists. Fortunately, technological advancement led to the development of TENS for personal use. This allows people to use it at home or on the go.

There are two methods by which TENS helps to alleviate pain in muscle soreness. The first method is based on the Gate Control Theory of Pain. During the treatment, the pain gate mechanism in the spinal cord is activated, leading to the closure of the gates. Therefore, it inhibits the transmission of pain signals to the brain.

The second method is the release of endorphins through electrical stimulation. The body produces more endorphins, the hormones that help reduce pain and improve overall well-being. Endorphins bind to opioid receptors and inhibit them from sending pain messages. They are also known as natural painkillers as they have similar effects to morphine.

Benefits of Electrotherapy

  • Drug-free – electrotherapy, such as TENS, is a natural method that helps reduce pain perception without drugs. It also does not develop adverse side effects that medicines often have in long-term use.
  • Non-invasive – TENS use adhesive electrode pads that adhere firmly but gently to the skin. It does not utilise needles or invasive procedures like surgery.
  • Versatile – TENS units can handle many types of pain conditions aside from muscle soreness. It is beneficial for people with chronic pain conditions or recovering from an injury.
  • Portable – TENS devices are compact-sized, making them easy to carry and use anywhere.

A person applying iTENS on his arm

How to Use a TENS Unit for Sore Muscles

Using a TENS unit for sore muscles is an easy process. Start by ensuring that the skin is clean and free from any dirt. Next, identify the specific body part where the pain is located. It is important to avoid placing the electrode patches on irritated areas, as this may cause further skin complications. Once the position has been determined, simply place the adhesive electrode patches directly on or near the site of pain.

After placing the pads, turn the electrical device on. Adjust the settings to a comfortable level. Choose from programs like continuous, pulse, or massage modes. Expect a tingling sensation or twitching as currents are delivered. This is normal as long as it does not cause pain.

It is advisable to use the machine for about 20-30 minutes at a time. The duration can vary based on the individual and their specific requirements. Some people may experience relief after a few minutes, while others may require longer sessions. By adhering to these steps and guidelines, users can effectively utilise TENS therapy for muscle soreness.

Electrode Placement Guide

When addressing soreness in large muscle groups, consider placing the electrodes on either side of the affected area. Maintain a distance of about one to two inches apart. This configuration allows the electrical stimulation to target a broader region, promoting muscle relaxation and pain relief.

For more targeted relief, especially for smaller muscle groups, place the TENS electrodes directly over the sore area. An essential consideration of pad placement is to avoid areas with broken skin, open wounds, and infection. Individuals may refer to the placement chart provided by the TENS unit or consult a doctor or physical therapist.

An iTENS small and large wing kit

Safety Precautions When Using a TENS Unit for Sore Muscles

There are specific guidelines to follow when using a TENS unit for sore muscles to ensure a safe experience. Firstly, it is essential to consult a doctor to determine if TENS therapy is the appropriate treatment. Electrical nerve stimulation may not be appropriate for individuals with heart conditions, epilepsy, metal implants, or who are pregnant.

Secondly, always follow the set-up instructions provided with the TENS unit. Various models can have different settings and guidelines for usage. This will help avoid any potential misuse or unnecessary risks. Thirdly, people should seek medical care if TENS or other conservative treatments do not help alleviate pain in sore muscles.

Furthermore, always start with the lowest intensity level and gradually increase as needed. Also, avoid using the device for longer than recommended. Lastly, do not use the TENS machine while bathing, driving, or sleeping. Exposure of electrodes to water can cause electric shocks and risk damage to the device. By adhering to these safety guidelines, individuals can ensure more efficient pain relief.

Potential Risks and Adverse Effects

TENS therapy is generally safe and suitable for most people. However, it may have possible side effects. The commonly reported reactions are skin irritations at the site of electrode placement. Redness or rashes may occur due to the sensitivity of the skin to the adhesives of the TENS pads. When this happens, remove the pads promptly and allow the skin to rest.

It is also common to experience muscle twitching due to the tingling sensations from the device. It is usually harmless, but some may find it uncomfortable. Make sure to start the therapy with a low-level intensity to prevent sudden shocks.

Conclusion

In conclusion, using a TENS unit for sore muscles offers a simple and effective way to alleviate pain. By activating the pain gate mechanism and promoting the release of endorphins, it helps block pain signals and enhances well-being. To use the device, one should ensure clean skin, place the electrode patches carefully, and adjust settings for comfort. With sessions lasting 20-30 minutes, individuals can experience relief tailored to their needs.

It is important to follow the safety guidelines when using TENS. Before starting, consulting a doctor is crucial, especially for those with specific health conditions. Always adhere to the setup instructions, begin with low intensity, and avoid misuse. If pain persists, seeking medical help is essential. Avoid using the TENS unit in water, while driving, or during sleep to prevent potential hazards. Overall, these guidelines will help ensure a safe and effective experience with TENS therapy for sore muscles.

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