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

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TENS for Knee Pain – Operation Guidelines and How it Works

A person holding his knee

Transcutaneous Electrical Nerve Stimulation or TENS for knee pain is a method of pain relief. It works by using electric nerve stimulation to block pain signals from reaching the brain, known as pain gating. This process also stimulates the release of endorphins, which are natural pain-relieving chemicals in the body. The operation guidelines typically include selecting the appropriate settings, properly placing the electrodes on the knee, and adhering to recommended treatment durations and frequencies.

Knee pain can impede daily activities, making it challenging to perform basic activities such as walking or climbing stairs. Fortunately, people can opt for TENS therapy. It is a non-drug and non-invasive method of relieving pain. Additionally, it is a viable option for individuals looking to reduce their reliance on oral medication. This article will present TENS therapy for knee pain, including its proper use, functions, and safety guidelines for effective pain management.

How to Use a TENS for Knee Pain

Using a TENS for knee pain can be an effective method of pain relief for individuals dealing with a painful knee. This medical condition can often interfere with daily activities. It can be caused by common reasons such as acute pains or chronic pain conditions like osteoarthritis.

To begin using a TENS unit for knee pain, ensure that the skin is clean and free of any lotions or oils. These can interfere with the effectiveness of the device. Next, place the electrodes provided with the unit on and around the painful area of the knee. Do not attach electrodes on open wounds, broken skin, or dermatological conditions to avoid skin reactions.

Once the electrodes are securely in place, turn on the TENS unit and adjust the settings according to personal comfort level. The device will begin delivering electrical current to the knee, which should help alleviate the pain. It is recommended to use the TENS unit for around 30 minutes to an hour at a time. Remember to follow any specific instructions provided by the healthcare provider and consult them about using the TENS machine for knee pain.

Benefits of Using the Device

  • Provides relief: it can help alleviate pain in the knee by blocking pain signals to the brain.
  • Non-surgical management: it eliminates the need for surgery or invasive procedures, making it a safe option for pain management.
  • Convenient: people can use the portable device at home, work, or on the go, providing relief whenever needed.
  • Customisable: users can adjust the intensity and frequency of the electrical impulses to suit their needs and preferences.
  • Reduces reliance on medication: individuals can utilise TENS as an alternative or complement to pain medications, reducing dependency.
  • User-friendly: it is simple to use, with clear instructions and adjustable settings.

iTENS large wing kit

How a TENS for Knee Pain Works

A TENS for knee pain works in three ways to provide relief. Firstly, it utilises the Pain Gate Control Theory through high-frequency electrical stimulation. This theory suggests that the body has a “gate” in the spinal cord that controls pain signals. When the TENS device delivers high-frequency electrical impulses, it blocks the pain signals from reaching the brain. This can help alleviate joint pains and provide relief for those experiencing mild pain to severe pain.

Secondly, the TENS device can trigger the release of endorphins through low-frequency TENS. These chemicals are natural painkillers that the body produces. This can be especially beneficial for individuals with chronic knee pain or those recovering from knee surgery.

Lastly, a TENS device can boost blood circulation to the knee area. The electrical current from the device increases the flow of blood to the affected area, promoting healing and reducing inflammation. Improved blood circulation can also assist in the delivery of nutrients and oxygen to the knee joint, aiding in the recovery process. This can be beneficial for people with knee osteoarthritis.

Knee Conditions It Can Treat

TENS is a therapeutic technique that can alleviate various knee conditions. Firstly, chronic knee pain. It refers to persistent discomfort lasting for more than three months. Secondly, individuals with knee osteoarthritis. This condition is a degenerative joint disease that causes swelling and stiffness in the knee joint. Lastly, acute knee pain. It is sudden and usually caused by injuries like sprains or strains.

TENS helps reduce pain intensity and improve the quality of life for patients with knee conditions. It is a safe and non-invasive method that people can use at home. Moreover, it has shown positive treatment outcomes in clinical trials and systematic reviews.

A person peeling off the plastic from the electrode

Safety Guidelines for TENS for Knee Pain

Safety guidelines for using a TENS for knee pain are essential to ensure the well-being of individuals. Several studies have examined the effectiveness and safety of electrical nerve stimulation for managing knee pain in conditions such as arthritis. These studies typically involve participants rating their pain scores before and after a specific period of TENS treatment.

Before beginning TENS therapy, it is crucial to establish a baseline pain score. This allows for an accurate assessment of the effectiveness of the treatment over time. Additionally, individuals must be aware of their pain thresholds to avoid discomfort or potential harm. They should start with a low-intensity level and gradually increase if necessary.

Furthermore, proper electrode placement is crucial to achieving optimal results without any adverse effects. Placement should be guided by previous studies that have indicated the most effective sites for targeting knee pain. Also, it is important to monitor for any skin irritations, dermatological conditions, or allergic reactions during or after TENS treatment. If any occur, immediate discontinuation and consultation with a healthcare professional are advised.

When to Seek Medical Help

When experiencing knee pain, people should know when to seek medical help. For instance, the presence of severe pain that have a sudden onset or come after an injury. This could be a sign of a more serious condition such as a torn ligament or fracture. Additionally, if the knee pain persists despite rest and self-care measures.

Other signs and symptoms that warrant medical attention include swelling, redness, warmth, or tenderness around the knee. These could be an indication of an infection or inflammation. Moreover, if knee pain is accompanied by difficulty bearing weight, locking or instability of the joint.

Conclusion

TENS for knee pain offers significant relief through its unique mechanisms. By blocking pain signals and promoting the release of natural painkillers, it eases discomfort from mild to severe pain. Additionally, it enhances blood circulation, aiding healing and reducing inflammation, especially for conditions like knee osteoarthritis. To use, one must place clean electrodes on the affected area, avoid dermatological conditions, and adjust the TENS unit for personal comfort. Consulting a healthcare provider is essential for proper guidance.

Furthermore, individuals should adhere to TENS safety guidelines. They should begin with low-intensity and be vigilant for skin problems. If issues arise, they must immediately consult with a healthcare professional. Moreover, recognising signs like sudden, severe pain, persistent discomfort, swelling, redness, or joint instability is essential. Seeking medical help in such cases ensures timely diagnosis and proper care, fostering overall well-being and swift recovery.

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